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RETIREMENT PLANS (Details)
 3 Months Ended 12 Months Ended
Dec. 31, 2015
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Sep. 30, 2013
USD ($)
Dec. 31, 2015
USD ($)
yr
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
Defined Benefit Plan, Information about Plan Assets [Abstract]            
Dollars per unit of cash and cash equivalents for fair value determination     $ 1      
Change in projected benefit obligation [Roll Forward]            
Actuarial loss     (115,000,000) $ (304,000,000) $ 383,000,000  
Amortization of: [Abstract]            
Mark-to-market adjustment   $ (86,000,000)        
Other changes in plan assets and benefit obligations recognized in other comprehensive income [Abstract]            
Current year prior service credit     140,000,000 0 47,000,000  
Amortization of: [Abstract]            
Prior service credit     (30,000,000) (28,000,000) (26,000,000)  
Total     $ 110,000,000 $ (28,000,000) 21,000,000  
United States Pension Plan of US Entity [Member]            
Defined Benefit Plan, Information about Plan Assets [Abstract]            
Expected long-term rate of return on plan assets (in hundredths)     7.60% 7.78%    
Amount of defined benefit pension plan funded by the company     $ 125,000,000 $ 120,000,000    
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations     100.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 100.00%   100.00% 100.00%    
Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets [Abstract]            
Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets, Aggregate Benefit Obligation $ 2,262,000,000   $ 2,262,000,000 $ 1,973,000,000    
Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets 1,887,000,000   1,887,000,000 1,581,000,000    
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]            
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Projected Benefit Obligation 2,262,000,000   2,262,000,000 1,973,000,000    
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Accumulated Benefit Obligation 2,146,000,000   2,146,000,000 1,870,000,000    
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets 1,887,000,000   1,887,000,000 1,581,000,000    
Change in projected benefit obligation [Roll Forward]            
Benefit obligation, beginning of year     2,356,000,000 2,236,000,000    
Service cost     39,000,000 40,000,000 43,000,000  
Interest cost     87,000,000 100,000,000 89,000,000  
Actuarial loss     (31,000,000) 174,000,000    
Curtailment     0 0    
Settlement     0 0    
Acquisitions     0 0    
Plan amendments and other     0 0    
Plan participants' contributions     0 0    
Effect of currency exchange     0 0    
Federal subsidy on benefits paid     0 0    
Benefits paid     (189,000,000) (194,000,000)    
Benefit obligation, end of year 2,262,000,000   2,262,000,000 2,356,000,000 2,236,000,000  
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year     1,968,000,000 1,887,000,000    
Actual return on plan assets     (23,000,000) 151,000,000    
Effect of currency exchange     0 0    
Company contributions     131,000,000 124,000,000    
Reserve for third party contributions     0 0    
Plan participants' contributions     0 0    
Benefits paid     (189,000,000) (194,000,000)    
Federal subsidy on benefits paid     0 0    
Settlements     0 0    
Other     0 0    
Acquisitions     0 0    
Fair value of plan assets, end of year 1,887,000,000   1,887,000,000 1,968,000,000 1,887,000,000  
Funded status at end of year (375,000,000)   (375,000,000) (388,000,000)    
Amounts recognized in the Consolidated Statements of Financial Position consist of [Abstract]            
Other noncurrent asset 0   0 4,000,000    
Current liability (3,000,000)   (3,000,000) (2,000,000)    
Noncurrent liability (372,000,000)   (372,000,000) (390,000,000)    
Net amount recognized, end of year (375,000,000)   (375,000,000) (388,000,000)    
Accumulated benefit obligation basis for all defined benefit pension plans 2,146,000,000   2,146,000,000 2,254,000,000    
Amounts recognized in accumulated other comprehensive income consist of [Abstract]            
Prior service credit $ (10,000,000)   (10,000,000) (14,000,000)    
Defined Benefit Plan, Future Amortization of Prior Service Cost (Credit)     (4,000,000)      
Components of net periodic benefit cost [Abstract]            
Service cost     39,000,000 40,000,000 43,000,000  
Interest cost     87,000,000 100,000,000 89,000,000  
Expected return on assets     (148,000,000) (143,000,000) (129,000,000)  
Curtailment (gain)/ loss     0 0 0  
Amortization of: [Abstract]            
Prior service credit     (4,000,000) (4,000,000) (4,000,000)  
Mark-to-market adjustment     140,000,000 166,000,000 (294,000,000)  
Net periodic benefit cost     114,000,000 159,000,000 (295,000,000)  
Other changes in plan assets and benefit obligations recognized in other comprehensive income [Abstract]            
Curtailment gain     0 0 0  
Current year prior service credit     0 0 0  
Amortization of: [Abstract]            
Prior service credit     (4,000,000) (4,000,000) (4,000,000)  
Total     $ (4,000,000) $ (4,000,000) $ (4,000,000)  
Weighted-average assumptions used to determine benefit obligations for years ended [Abstract]            
Discount rate (in hundredths) 4.13%   4.13% 3.80% 4.59%  
Rate of compensation increase (in hundredths) 3.50%   3.50% 3.50% 3.50%  
Weighted-average assumptions used to determine net periodic cost for years ended [Abstract]            
Discount rate ( in hundredths)     3.80% 4.59% 3.72%  
Expected return on assets (in hundredths)     7.78% 7.83% 7.98%  
Rate of compensation increase (in hundredths)     3.50% 3.50% 3.50%  
Estimated future benefits payments [Abstract]            
2016 $ 227,000,000   $ 227,000,000      
2017 200,000,000   200,000,000      
2018 199,000,000   199,000,000      
2019 197,000,000   197,000,000      
2020 195,000,000   195,000,000      
2021-2025 879,000,000   879,000,000      
United States Pension Plan of US Entity [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year     77,000,000      
Fair value of plan assets, end of year 66,000,000   66,000,000 $ 77,000,000    
United States Pension Plan of US Entity [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year     1,556,000,000      
Fair value of plan assets, end of year 1,535,000,000   1,535,000,000 1,556,000,000    
United States Pension Plan of US Entity [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year     335,000,000      
Fair value of plan assets, end of year 286,000,000   286,000,000 335,000,000    
Assets measured with unobservable input (level 3) [Roll Forward]            
Beginning balance     335,000,000 362,000,000    
Distributions     (99,000,000) (86,000,000)    
Unrealized gains/(losses)     17,000,000 31,000,000    
Purchases, contributions, and other     33,000,000 28,000,000    
Ending balance 286,000,000   286,000,000 335,000,000 $ 362,000,000  
United States Pension Plan of US Entity [Member] | Cash and Cash Equivalents [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [1]     77,000,000      
Fair value of plan assets, end of year [1] 66,000,000   66,000,000 77,000,000    
United States Pension Plan of US Entity [Member] | Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [1]     77,000,000      
Fair value of plan assets, end of year [1] 66,000,000   66,000,000 77,000,000    
United States Pension Plan of US Entity [Member] | Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [1]     0      
Fair value of plan assets, end of year [1] 0   0 0    
United States Pension Plan of US Entity [Member] | Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [1]     0      
Fair value of plan assets, end of year [1] 0   0 0    
United States Pension Plan of US Entity [Member] | Fixed Income (US) [Member] | Debt Securities [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     662,000,000      
Fair value of plan assets, end of year [2] 665,000,000   665,000,000 662,000,000    
United States Pension Plan of US Entity [Member] | Fixed Income (US) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
United States Pension Plan of US Entity [Member] | Fixed Income (US) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     662,000,000      
Fair value of plan assets, end of year [2] 665,000,000   665,000,000 662,000,000    
United States Pension Plan of US Entity [Member] | Fixed Income (US) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
United States Pension Plan of US Entity [Member] | Fixed Income (Non-U.S.) [Member] | Debt Securities [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
United States Pension Plan of US Entity [Member] | Fixed Income (Non-U.S.) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
United States Pension Plan of US Entity [Member] | Fixed Income (Non-U.S.) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
United States Pension Plan of US Entity [Member] | Fixed Income (Non-U.S.) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
United States Pension Plan of US Entity [Member] | Fixed Income (Global) [Member] | Debt Securities [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
United States Pension Plan of US Entity [Member] | Fixed Income (Global) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
United States Pension Plan of US Entity [Member] | Fixed Income (Global) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
United States Pension Plan of US Entity [Member] | Fixed Income (Global) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
United States Pension Plan of US Entity [Member] | US Treasury Securities [Member] | Debt Securities [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     37,000,000      
Fair value of plan assets, end of year [2] 36,000,000   36,000,000 37,000,000    
United States Pension Plan of US Entity [Member] | US Treasury Securities [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
United States Pension Plan of US Entity [Member] | US Treasury Securities [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     37,000,000      
Fair value of plan assets, end of year [2] 36,000,000   36,000,000 37,000,000    
United States Pension Plan of US Entity [Member] | US Treasury Securities [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
United States Pension Plan of US Entity [Member] | United States [Member] | Public Equity Funds [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     509,000,000      
Fair value of plan assets, end of year [3] 476,000,000   476,000,000 509,000,000    
United States Pension Plan of US Entity [Member] | United States [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     0      
Fair value of plan assets, end of year [3] 0   0 0    
United States Pension Plan of US Entity [Member] | United States [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     509,000,000      
Fair value of plan assets, end of year [3] 476,000,000   476,000,000 509,000,000    
United States Pension Plan of US Entity [Member] | United States [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     0      
Fair value of plan assets, end of year [3] 0   0 0    
United States Pension Plan of US Entity [Member] | Non-U.S. [Member] | Public Equity Funds [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     348,000,000      
Fair value of plan assets, end of year [3] 358,000,000   358,000,000 348,000,000    
United States Pension Plan of US Entity [Member] | Non-U.S. [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     0      
Fair value of plan assets, end of year [3] 0   0 0    
United States Pension Plan of US Entity [Member] | Non-U.S. [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     348,000,000      
Fair value of plan assets, end of year [3] 358,000,000   358,000,000 348,000,000    
United States Pension Plan of US Entity [Member] | Non-U.S. [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     0      
Fair value of plan assets, end of year [3] 0   0 0    
United States Pension Plan of US Entity [Member] | Global [Member] | Public Equity Funds [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     0      
Fair value of plan assets, end of year [3] 0   0 0    
United States Pension Plan of US Entity [Member] | Global [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     0      
Fair value of plan assets, end of year [3] 0   0 0    
United States Pension Plan of US Entity [Member] | Global [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     0      
Fair value of plan assets, end of year [3] 0   0 0    
United States Pension Plan of US Entity [Member] | Global [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     0      
Fair value of plan assets, end of year [3] 0   0 0    
United States Pension Plan of US Entity [Member] | Private Equity, Real Estate Funds, and Other Alternative Investments [Member] | Other Investments [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     335,000,000      
Fair value of plan assets, end of year [4] 286,000,000   286,000,000 335,000,000    
United States Pension Plan of US Entity [Member] | Private Equity, Real Estate Funds, and Other Alternative Investments [Member] | Other Investments [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     0      
Fair value of plan assets, end of year [4] 0   0 0    
United States Pension Plan of US Entity [Member] | Private Equity, Real Estate Funds, and Other Alternative Investments [Member] | Other Investments [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     0      
Fair value of plan assets, end of year [4] 0   0 0    
United States Pension Plan of US Entity [Member] | Private Equity, Real Estate Funds, and Other Alternative Investments [Member] | Other Investments [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     335,000,000      
Fair value of plan assets, end of year [4] 286,000,000   286,000,000 335,000,000    
United States Pension Plan of US Entity [Member] | Multi-Asset Common Collective Trusts [Member] | Other Investments [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     0      
Fair value of plan assets, end of year [4] 0   0 0    
United States Pension Plan of US Entity [Member] | Multi-Asset Common Collective Trusts [Member] | Other Investments [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     0      
Fair value of plan assets, end of year [4] 0   0 0    
United States Pension Plan of US Entity [Member] | Multi-Asset Common Collective Trusts [Member] | Other Investments [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     0      
Fair value of plan assets, end of year [4] 0   0 0    
United States Pension Plan of US Entity [Member] | Multi-Asset Common Collective Trusts [Member] | Other Investments [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     0      
Fair value of plan assets, end of year [4] $ 0   $ 0 $ 0    
United States Pension Plan of US Entity [Member] | Private Equity Securities [Member]            
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations     48.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 44.00%   44.00% 44.00%    
United States Pension Plan of US Entity [Member] | Private Equity Securities [Member] | Fair Value, Inputs, Level 3 [Member]            
Assets measured with unobservable input (level 3) [Roll Forward]            
Beginning balance     $ 176,000,000 $ 177,000,000    
Distributions     (56,000,000) (40,000,000)    
Unrealized gains/(losses)     23,000,000 18,000,000    
Purchases, contributions, and other     24,000,000 21,000,000    
Ending balance $ 167,000,000   $ 167,000,000 $ 176,000,000 177,000,000  
United States Pension Plan of US Entity [Member] | Real Estate [Member]            
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations     5.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 4.00%   4.00% 4.00%    
United States Pension Plan of US Entity [Member] | Real Estate [Member] | Fair Value, Inputs, Level 3 [Member]            
Assets measured with unobservable input (level 3) [Roll Forward]            
Beginning balance     $ 83,000,000 $ 101,000,000    
Distributions     (28,000,000) (29,000,000)    
Unrealized gains/(losses)     10,000,000 9,000,000    
Purchases, contributions, and other     1,000,000 2,000,000    
Ending balance $ 66,000,000   66,000,000 83,000,000 101,000,000  
United States Pension Plan of US Entity [Member] | Other Alternative Investments [Member] | Fair Value, Inputs, Level 3 [Member]            
Assets measured with unobservable input (level 3) [Roll Forward]            
Beginning balance [5]     76,000,000 84,000,000    
Distributions [5]     (15,000,000) (17,000,000)    
Unrealized gains/(losses) [5]     (16,000,000) 4,000,000    
Purchases, contributions, and other [5]     8,000,000 5,000,000    
Ending balance [5] $ 53,000,000   $ 53,000,000 $ 76,000,000 84,000,000  
United States Pension Plan of US Entity [Member] | Debt Securities [Member]            
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations     33.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 41.00%   41.00% 39.00%    
United States Pension Plan of US Entity [Member] | Other Investment Companies [Member]            
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations [6]     14.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) [6] 11.00%   11.00% 13.00%    
Foreign Pension Plan [Member]            
Defined Benefit Plan, Information about Plan Assets [Abstract]            
Expected long-term rate of return on plan assets (in hundredths)     5.11% 5.50%    
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations     100.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 100.00%   100.00% 100.00%    
Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets [Abstract]            
Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets, Aggregate Benefit Obligation $ 622,000,000   $ 622,000,000 $ 745,000,000    
Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets 501,000,000   501,000,000 573,000,000    
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]            
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Projected Benefit Obligation 622,000,000   622,000,000 711,000,000    
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Accumulated Benefit Obligation 584,000,000   584,000,000 640,000,000    
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets 501,000,000   501,000,000 541,000,000    
Change in projected benefit obligation [Roll Forward]            
Benefit obligation, beginning of year     867,000,000 736,000,000    
Service cost     15,000,000 14,000,000 14,000,000  
Interest cost     26,000,000 31,000,000 27,000,000  
Actuarial loss     (50,000,000) 149,000,000    
Curtailment     (4,000,000) 0    
Settlement     0 (18,000,000)    
Acquisitions     (10,000,000) 48,000,000    
Plan amendments and other     0 0    
Plan participants' contributions     2,000,000 2,000,000    
Effect of currency exchange     (61,000,000) (73,000,000)    
Federal subsidy on benefits paid     0 0    
Benefits paid     (22,000,000) (22,000,000)    
Benefit obligation, end of year 763,000,000   763,000,000 867,000,000 736,000,000  
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year     699,000,000 658,000,000    
Actual return on plan assets     7,000,000 92,000,000    
Effect of currency exchange     (48,000,000) (60,000,000)    
Company contributions     21,000,000 22,000,000    
Reserve for third party contributions     0 0    
Plan participants' contributions     2,000,000 2,000,000    
Benefits paid     (22,000,000) (22,000,000)    
Federal subsidy on benefits paid     0 0    
Settlements     0 (18,000,000)    
Other     0 0    
Acquisitions     (9,000,000) 25,000,000    
Fair value of plan assets, end of year 650,000,000   650,000,000 699,000,000 658,000,000  
Funded status at end of year (113,000,000)   (113,000,000) (168,000,000)    
Amounts recognized in the Consolidated Statements of Financial Position consist of [Abstract]            
Other noncurrent asset 7,000,000   7,000,000 4,000,000    
Current liability 0   0 (1,000,000)    
Noncurrent liability (120,000,000)   (120,000,000) (171,000,000)    
Net amount recognized, end of year (113,000,000)   (113,000,000) (168,000,000)    
Accumulated benefit obligation basis for all defined benefit pension plans 721,000,000   721,000,000 781,000,000    
Amounts recognized in accumulated other comprehensive income consist of [Abstract]            
Prior service credit $ 2,000,000   2,000,000 (1,000,000)    
Components of net periodic benefit cost [Abstract]            
Service cost     15,000,000 14,000,000 14,000,000  
Interest cost     26,000,000 31,000,000 27,000,000  
Expected return on assets     (37,000,000) (38,000,000) (35,000,000)  
Curtailment (gain)/ loss     (7,000,000) [7] 0 (1,000,000)  
Amortization of: [Abstract]            
Prior service credit     1,000,000 0 0  
Mark-to-market adjustment     (20,000,000) 95,000,000 18,000,000  
Net periodic benefit cost     (22,000,000) 102,000,000 23,000,000  
Other changes in plan assets and benefit obligations recognized in other comprehensive income [Abstract]            
Curtailment gain     (3,000,000) 0 0  
Current year prior service credit     0 0 0  
Amortization of: [Abstract]            
Prior service credit     1,000,000 0 0  
Total     $ (2,000,000) $ 0 $ 0  
Weighted-average assumptions used to determine benefit obligations for years ended [Abstract]            
Discount rate (in hundredths) 3.26%   3.26% 3.10% 4.18%  
Rate of compensation increase (in hundredths) 3.00%   3.00% 3.24% 3.49%  
Weighted-average assumptions used to determine net periodic cost for years ended [Abstract]            
Discount rate ( in hundredths)     3.10% 4.18% 4.16%  
Expected return on assets (in hundredths)     5.50% 5.78% 5.90%  
Rate of compensation increase (in hundredths)     3.24% 3.49% 3.49%  
Estimated future benefits payments [Abstract]            
2016 $ 22,000,000   $ 22,000,000      
2017 22,000,000   22,000,000      
2018 23,000,000   23,000,000      
2019 25,000,000   25,000,000      
2020 26,000,000   26,000,000      
2021-2025 147,000,000   147,000,000      
Foreign Pension Plan [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year     19,000,000      
Fair value of plan assets, end of year 9,000,000   9,000,000 $ 19,000,000    
Foreign Pension Plan [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year     625,000,000      
Fair value of plan assets, end of year 599,000,000   599,000,000 625,000,000    
Foreign Pension Plan [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year     55,000,000      
Fair value of plan assets, end of year 42,000,000   42,000,000 55,000,000    
Assets measured with unobservable input (level 3) [Roll Forward]            
Beginning balance     55,000,000 27,000,000    
Distributions     0 0    
Unrealized gains/(losses)     (5,000,000) 4,000,000    
Purchases, contributions, and other     (8,000,000) 24,000,000    
Ending balance 42,000,000   42,000,000 55,000,000 $ 27,000,000  
Foreign Pension Plan [Member] | Cash and Cash Equivalents [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [1]     19,000,000      
Fair value of plan assets, end of year [1] 9,000,000   9,000,000 19,000,000    
Foreign Pension Plan [Member] | Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [1]     19,000,000      
Fair value of plan assets, end of year [1] 9,000,000   9,000,000 19,000,000    
Foreign Pension Plan [Member] | Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [1]     0      
Fair value of plan assets, end of year [1] 0   0 0    
Foreign Pension Plan [Member] | Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [1]     0      
Fair value of plan assets, end of year [1] 0   0 0    
Foreign Pension Plan [Member] | Fixed Income (US) [Member] | Debt Securities [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     11,000,000      
Fair value of plan assets, end of year [2] 14,000,000   14,000,000 11,000,000    
Foreign Pension Plan [Member] | Fixed Income (US) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Foreign Pension Plan [Member] | Fixed Income (US) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     11,000,000      
Fair value of plan assets, end of year [2] 14,000,000   14,000,000 11,000,000    
Foreign Pension Plan [Member] | Fixed Income (US) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Foreign Pension Plan [Member] | Fixed Income (Non-U.S.) [Member] | Debt Securities [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     278,000,000      
Fair value of plan assets, end of year [2] 250,000,000   250,000,000 278,000,000    
Foreign Pension Plan [Member] | Fixed Income (Non-U.S.) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Foreign Pension Plan [Member] | Fixed Income (Non-U.S.) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     278,000,000      
Fair value of plan assets, end of year [2] 250,000,000   250,000,000 278,000,000    
Foreign Pension Plan [Member] | Fixed Income (Non-U.S.) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Foreign Pension Plan [Member] | Fixed Income (Global) [Member] | Debt Securities [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     28,000,000      
Fair value of plan assets, end of year [2] 26,000,000   26,000,000 28,000,000    
Foreign Pension Plan [Member] | Fixed Income (Global) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Foreign Pension Plan [Member] | Fixed Income (Global) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     28,000,000      
Fair value of plan assets, end of year [2] 26,000,000   26,000,000 28,000,000    
Foreign Pension Plan [Member] | Fixed Income (Global) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Foreign Pension Plan [Member] | US Treasury Securities [Member] | Debt Securities [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Foreign Pension Plan [Member] | US Treasury Securities [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Foreign Pension Plan [Member] | US Treasury Securities [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Foreign Pension Plan [Member] | US Treasury Securities [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Foreign Pension Plan [Member] | United States [Member] | Public Equity Funds [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     31,000,000      
Fair value of plan assets, end of year [3] 36,000,000   36,000,000 31,000,000    
Foreign Pension Plan [Member] | United States [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     0      
Fair value of plan assets, end of year [3] 0   0 0    
Foreign Pension Plan [Member] | United States [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     31,000,000      
Fair value of plan assets, end of year [3] 36,000,000   36,000,000 31,000,000    
Foreign Pension Plan [Member] | United States [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     0      
Fair value of plan assets, end of year [3] 0   0 0    
Foreign Pension Plan [Member] | Non-U.S. [Member] | Public Equity Funds [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     48,000,000      
Fair value of plan assets, end of year [3] 49,000,000   49,000,000 48,000,000    
Foreign Pension Plan [Member] | Non-U.S. [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     0      
Fair value of plan assets, end of year [3] 0   0 0    
Foreign Pension Plan [Member] | Non-U.S. [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     48,000,000      
Fair value of plan assets, end of year [3] 49,000,000   49,000,000 48,000,000    
Foreign Pension Plan [Member] | Non-U.S. [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     0      
Fair value of plan assets, end of year [3] 0   0 0    
Foreign Pension Plan [Member] | Global [Member] | Public Equity Funds [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     154,000,000      
Fair value of plan assets, end of year [3] 147,000,000   147,000,000 154,000,000    
Foreign Pension Plan [Member] | Global [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     0      
Fair value of plan assets, end of year [3] 0   0 0    
Foreign Pension Plan [Member] | Global [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     154,000,000      
Fair value of plan assets, end of year [3] 147,000,000   147,000,000 154,000,000    
Foreign Pension Plan [Member] | Global [Member] | Public Equity Funds [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [3]     0      
Fair value of plan assets, end of year [3] 0   0 0    
Foreign Pension Plan [Member] | Private Equity, Real Estate Funds, and Other Alternative Investments [Member] | Other Investments [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     82,000,000      
Fair value of plan assets, end of year [4] 72,000,000   72,000,000 82,000,000    
Foreign Pension Plan [Member] | Private Equity, Real Estate Funds, and Other Alternative Investments [Member] | Other Investments [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     0      
Fair value of plan assets, end of year [4] 0   0 0    
Foreign Pension Plan [Member] | Private Equity, Real Estate Funds, and Other Alternative Investments [Member] | Other Investments [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     27,000,000      
Fair value of plan assets, end of year [4] 30,000,000   30,000,000 27,000,000    
Foreign Pension Plan [Member] | Private Equity, Real Estate Funds, and Other Alternative Investments [Member] | Other Investments [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     55,000,000      
Fair value of plan assets, end of year [4] 42,000,000   42,000,000 55,000,000    
Foreign Pension Plan [Member] | Multi-Asset Common Collective Trusts [Member] | Other Investments [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     48,000,000      
Fair value of plan assets, end of year [4] 47,000,000   47,000,000 48,000,000    
Foreign Pension Plan [Member] | Multi-Asset Common Collective Trusts [Member] | Other Investments [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     0      
Fair value of plan assets, end of year [4] 0   0 0    
Foreign Pension Plan [Member] | Multi-Asset Common Collective Trusts [Member] | Other Investments [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     48,000,000      
Fair value of plan assets, end of year [4] 47,000,000   47,000,000 48,000,000    
Foreign Pension Plan [Member] | Multi-Asset Common Collective Trusts [Member] | Other Investments [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [4]     0      
Fair value of plan assets, end of year [4] $ 0   $ 0 $ 0    
Foreign Pension Plan [Member] | Private Equity Securities [Member]            
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations     31.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 36.00%   36.00% 34.00%    
Foreign Pension Plan [Member] | Real Estate [Member]            
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations     2.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 2.00%   2.00% 2.00%    
Foreign Pension Plan [Member] | Real Estate [Member] | Fair Value, Inputs, Level 3 [Member]            
Assets measured with unobservable input (level 3) [Roll Forward]            
Beginning balance     $ 0 $ 2,000,000    
Distributions     0 0    
Unrealized gains/(losses)     0 0    
Purchases, contributions, and other     0 (2,000,000)    
Ending balance $ 0   0 0 2,000,000  
Foreign Pension Plan [Member] | Other Alternative Investments [Member] | Fair Value, Inputs, Level 3 [Member]            
Assets measured with unobservable input (level 3) [Roll Forward]            
Beginning balance [5]     55,000,000 25,000,000    
Distributions [5]     0 0    
Unrealized gains/(losses) [5]     (5,000,000) 4,000,000    
Purchases, contributions, and other [5]     (8,000,000) 26,000,000    
Ending balance [5] $ 42,000,000   $ 42,000,000 $ 55,000,000 25,000,000  
Foreign Pension Plan [Member] | Debt Securities [Member]            
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations     50.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 46.00%   46.00% 48.00%    
Foreign Pension Plan [Member] | Other Investment Companies [Member]            
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations [6]     17.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) [6] 16.00%   16.00% 16.00%    
Post Retirement Welfare Plans [Member]            
Change in projected benefit obligation [Roll Forward]            
Benefit obligation, beginning of year     $ 1,014,000,000 $ 962,000,000    
Service cost     8,000,000 8,000,000 11,000,000  
Interest cost     39,000,000 45,000,000 44,000,000  
Actuarial loss     (13,000,000) 49,000,000    
Curtailment     (2,000,000) 0    
Settlement     0 0    
Acquisitions     0 4,000,000    
Plan amendments and other $ (140,000,000) $ (47,000,000) (140,000,000) 1,000,000    
Plan participants' contributions     15,000,000 18,000,000    
Effect of currency exchange     (2,000,000) 0    
Federal subsidy on benefits paid     1,000,000 1,000,000    
Benefits paid     (67,000,000) (74,000,000)    
Benefit obligation, end of year 853,000,000   853,000,000 1,014,000,000 962,000,000  
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year     176,000,000 179,000,000    
Actual return on plan assets     (1,000,000) 16,000,000    
Effect of currency exchange     0 0    
Company contributions     34,000,000 38,000,000    
Reserve for third party contributions     (1,000,000) (3,000,000)    
Plan participants' contributions     15,000,000 18,000,000    
Benefits paid     (67,000,000) (74,000,000)    
Federal subsidy on benefits paid     1,000,000 1,000,000    
Settlements     0 0    
Other     0 1,000,000    
Acquisitions     0 0    
Fair value of plan assets, end of year 157,000,000   157,000,000 176,000,000 179,000,000  
Funded status at end of year (696,000,000)   (696,000,000) (838,000,000)    
Amounts recognized in the Consolidated Statements of Financial Position consist of [Abstract]            
Other noncurrent asset 19,000,000   19,000,000 13,000,000    
Current liability (43,000,000)   (43,000,000) (41,000,000)    
Noncurrent liability (672,000,000)   (672,000,000) (810,000,000)    
Net amount recognized, end of year (696,000,000)   (696,000,000) (838,000,000)    
Amounts recognized in accumulated other comprehensive income consist of [Abstract]            
Prior service credit $ (200,000,000)   $ (200,000,000) (84,000,000)    
amortization of prior service costs (in years) | yr     8      
Defined Benefit Plan, Future Amortization of Prior Service Cost (Credit)     $ (41,000,000)      
Components of net periodic benefit cost [Abstract]            
Service cost     8,000,000 8,000,000 11,000,000  
Interest cost     39,000,000 45,000,000 44,000,000  
Expected return on assets     (6,000,000) (7,000,000) (7,000,000)  
Curtailment (gain)/ loss     (2,000,000) 0 0  
Amortization of: [Abstract]            
Prior service credit     (24,000,000) (24,000,000) (22,000,000)  
Mark-to-market adjustment     (5,000,000) 43,000,000 (107,000,000)  
Net periodic benefit cost     10,000,000 65,000,000 (81,000,000)  
Other changes in plan assets and benefit obligations recognized in other comprehensive income [Abstract]            
Curtailment gain       0 0  
Current year prior service credit     140,000,000 0 47,000,000  
Amortization of: [Abstract]            
Prior service credit     (24,000,000) (24,000,000) (22,000,000)  
Total     $ 116,000,000 $ (24,000,000) $ 25,000,000  
Weighted-average assumptions used to determine benefit obligations for years ended [Abstract]            
Discount rate (in hundredths) 4.17%   4.17% 3.91% 4.75%  
Rate of compensation increase (in hundredths) 3.50%   3.50% 3.50% 3.50%  
Health care cost trend [Abstract]            
Initial (in hundredths)     7.50% 7.50% 8.00%  
Decreasing to ultimate trend of (in hundredths)     5.00% 5.00% 5.00%  
Projected year reaches ultimate trend rate     2021 2020 2020  
Weighted-average assumptions used to determine net periodic cost for years ended [Abstract]            
Discount rate ( in hundredths)     3.91% 4.75% 3.91%  
Expected return on assets (in hundredths)     3.75% 3.75% 3.75%  
Rate of compensation increase (in hundredths)     3.50% 3.50% 3.50%  
Health Care Cost Trend [Abstract]            
Initial (in hundredths)     7.50% 8.00% 8.00%  
Decreasing to ultimate trend of (in hundredths)     5.00% 5.00% 5.00%  
Projected Year that reaches ultimate trend rate     2020 2020 2019  
The increase or decrease in health care cost that would have no material impact on health care cost (in hundredths)     1.00%      
Estimated future benefits payments [Abstract]            
2016 $ 60,000,000   $ 60,000,000      
2017 60,000,000   60,000,000      
2018 59,000,000   59,000,000      
2019 60,000,000   60,000,000      
2020 60,000,000   60,000,000      
2021-2025 $ 296,000,000   $ 296,000,000      
Eastman Postretirement Welfare Plan [Member] | Post Retirement Welfare Plans [Member]            
Weighted-average assumptions used to determine benefit obligations for years ended [Abstract]            
Discount rate (in hundredths)   4.72%       4.01%
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member]            
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations     100.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 100.00%   100.00% 100.00%    
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year     $ 133,000,000      
Fair value of plan assets, end of year $ 120,000,000   120,000,000 $ 133,000,000    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year     6,000,000      
Fair value of plan assets, end of year 0   0 6,000,000    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year     127,000,000      
Fair value of plan assets, end of year 120,000,000   120,000,000 127,000,000    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year     0      
Fair value of plan assets, end of year 0   0 0    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Cash and Cash Equivalents [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [1]     6,000,000      
Fair value of plan assets, end of year [1] 0   0 6,000,000    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [1]     6,000,000      
Fair value of plan assets, end of year [1] 0   0 6,000,000    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [1]     0      
Fair value of plan assets, end of year [1] 0   0 0    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [1]     0      
Fair value of plan assets, end of year [1] 0   0 0    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fixed Income (US) [Member] | Debt Securities [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     124,000,000      
Fair value of plan assets, end of year [2] 86,000,000   86,000,000 124,000,000    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fixed Income (US) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fixed Income (US) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     124,000,000      
Fair value of plan assets, end of year [2] 86,000,000   86,000,000 124,000,000    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fixed Income (US) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fixed Income (Non-U.S.) [Member] | Debt Securities [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     2,000,000      
Fair value of plan assets, end of year [2] 34,000,000   34,000,000 2,000,000    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fixed Income (Non-U.S.) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fixed Income (Non-U.S.) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     2,000,000      
Fair value of plan assets, end of year [2] 34,000,000   34,000,000 2,000,000    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fixed Income (Non-U.S.) [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | US Treasury Securities [Member] | Debt Securities [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     1,000,000      
Fair value of plan assets, end of year [2] 0   0 1,000,000    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | US Treasury Securities [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] 0   0 0    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | US Treasury Securities [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     1,000,000      
Fair value of plan assets, end of year [2] 0   0 1,000,000    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | US Treasury Securities [Member] | Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]            
Change in plan assets [Roll Forward]            
Fair value of plan assets, beginning of year [2]     0      
Fair value of plan assets, end of year [2] $ 0   $ 0 $ 0    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Private Equity Securities [Member]            
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations     0.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 0.00%   0.00% 0.00%    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Real Estate [Member]            
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations     0.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 0.00%   0.00% 0.00%    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Debt Securities [Member]            
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations     100.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 100.00%   100.00% 100.00%    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Other Investment Companies [Member]            
Defined Benefit Plan, Assets, Target Allocations [Abstract]            
Defined Benefit Plan, Target Plan Asset Allocations [6]     0.00%      
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) [6] 0.00%   0.00% 0.00%    
Employee stock ownership plan which is a component of Eastman Investment Plan EIP/ESOP [Member]            
Defined Contribution Investment Plan and Employee Stock Ownership Plan            
Anticipated percentage of employer contribution to the plan for all U.S. employees (in hundredths)     5.00%      
Allocated shares in the ESOP (in shares) | shares 2,199,000   2,199,000 2,197,740 2,289,618  
Percentage of an employee's remuneration that is being matched by the employer (in hundredths) 7.00%   7.00%      
Percentage of company match of the first seven percent of employee's compensation contributed to the plan (in hundredths) 50.00%   50.00%      
Charges for domestic contributions to the Defined Contribution plans     $ 62,000,000 $ 56,000,000 $ 43,000,000  
[1] Cash & Cash Equivalents: The carrying amounts of cash and cash equivalents are valued at $1 per unit, which approximates fair value. Amounts are generally invested in actively managed common trust funds or interest bearing accounts.
[2] Debt: The underlying fixed income investments in this category are generally held in common trust funds, which are either actively or passively managed investment vehicles, that are valued at the net asset value per unit/share multiplied by the number of units/shares held as of the measurement date.
[3] Public Equity Funds: The underlying equity investments in this category are generally held in common trust funds, which are either actively or passively managed investment vehicles, that are valued at the net asset value per unit/share multiplied by the number of units/shares held as of the measurement date.
[4] Other: The underlying investments in this category are held in private investment funds. These investments are valued based on the net asset value provided by the management of each private investment fund, adjusted as appropriate, for any lag between the date of the financial reports and the measurement date.
[5] U.S. primarily consists of natural resource and energy related limited partnership investments. Non-U.S. primarily consists of annuity contracts.
[6] U.S. primarily consists of private equity and natural resource and energy related limited partnership investments. Non-U.S. primarily consists of annuity contracts and alternative investments.
[7] (1) Gain of $7 million in 2015 in the Fibers segment related to the remeasurement of the Workington, UK pension plan, triggered by the closure of the Workington, UK acetate tow manufacturing facility.