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RETIREMENT PLANS (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Change in projected benefit obligation [Roll Forward]      
Actuarial loss $ (240) $ (143) $ (99)
Amortization of: [Abstract]      
Prior service (credit) cost $ (12) $ 0 0
Post Retirement Welfare Plans [Member]      
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 100.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 100.00% 100.00%  
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]      
Projected benefit obligation $ 658 $ 627  
Change in projected benefit obligation [Roll Forward]      
Benefit obligation, beginning of year 716 672  
Service cost 0 0 0
Interest cost 19 25 22
Actuarial loss 57 71  
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement 0 0  
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment 0 0  
Plan participants' contributions 10 10  
Effect of currency exchange 0 1  
Defined Benefit Plan, Benefit Obligation, Prescription Drug Subsidy Receipt 1 0  
Benefits paid (58) (63)  
Benefit obligation, end of year 745 716 672
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year 139 135  
Actual return on plan assets 18 27  
Effect of currency exchange 0 0  
Company contributions 39 42  
Reserve for third party contributions (5) (12)  
Plan participants' contributions 10 10  
Benefits paid (58) (63)  
Defined Benefit Plan, Plan Assets, Prescription Drug Subsidy Receipt 1 0  
Defined Benefit Plan, Plan Assets, Payment for Settlement 0 0  
Fair value of plan assets, end of year 144 139 135
Funded status at end of year (601) (577)  
Amounts recognized in the Consolidated Statements of Financial Position consist of [Abstract]      
Other noncurrent asset 57 50  
Current liabilities (46) (47)  
Post-employment obligations (612) (580)  
Net amount recognized, end of year (601) (577)  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax (105) (143)  
Components of net periodic benefit cost [Abstract]      
Service cost 0 0 0
Interest cost 19 25 22
Expected return on plan assets (5) (5) (5)
Amortization of: [Abstract]      
Prior service (credit) cost (38) (39) (40)
Mark-to-market adjustment 49 61 (26)
Net periodic benefit cost 25 42 (49)
Other changes in plan assets and benefit obligations recognized in other comprehensive income [Abstract]      
Current year prior service credit (cost) 0 0 0
Amortization of: [Abstract]      
Prior service (credit) cost (38) (39) (40)
Total $ (38) $ (39) $ (40)
Weighted-average assumptions used to determine benefit obligations for years ended [Abstract]      
Discount rate (in hundredths) 2.38% 3.21% 4.26%
Rate of compensation increase (in hundredths)   3.25% 3.25%
Health care cost trend [Abstract]      
Initial (in hundredths) 6.25% 6.50% 6.50%
Decreasing to ultimate trend of (in hundredths) 5.00% 5.00% 5.00%
Weighted-average assumptions used to determine net periodic cost for years ended [Abstract]      
Discount rate ( in hundredths) 3.21% 4.26% 3.54%
Discount rate for service costs 2.92% 4.05% 3.28%
Discount rate for interest costs 2.80% 3.93% 3.14%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 3.75% 3.75% 3.75%
Rate of compensation increase (in hundredths) 3.25% 3.25% 3.25%
Health Care Cost Trend [Abstract]      
Initial (in hundredths) 6.50% 6.50% 6.75%
Decreasing to ultimate trend of (in hundredths) 5.00% 5.00% 5.00%
Projected Year that reaches ultimate trend rate 2026 2025 2025
Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate 2026 2026 2025
Estimated future benefits payments [Abstract]      
2021 $ 56    
2022 53    
2023 48    
2024 47    
2025 47    
2026-2030 $ 221    
Post Retirement Welfare Plans [Member] | Private Equity Securities [Member]      
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 0.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 0.00% 0.00%  
Post Retirement Welfare Plans [Member] | Debt Securities [Member]      
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 100.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 100.00% 100.00%  
Post Retirement Welfare Plans [Member] | Real Estate [Member]      
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 0.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 0.00% 0.00%  
Post Retirement Welfare Plans [Member] | Other Investment Companies [Member]      
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage [1] 0.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) [1] 0.00% 0.00%  
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year $ 111    
Fair value of plan assets, end of year 115 $ 111  
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 0    
Fair value of plan assets, end of year 1 0  
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 111    
Fair value of plan assets, end of year 114 111  
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  
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] 85    
Fair value of plan assets, end of year [2] 89 85  
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  
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] 85    
Fair value of plan assets, end of year [2] 89 85  
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  
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fixed Income (US) [Member] | Cash and Cash Equivalents      
Change in plan assets [Roll Forward]      
Fair value of plan assets, end of year 1    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fixed Income (US) [Member] | Cash and Cash Equivalents | Fair Value, Inputs, Level 1 [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, end of year 1    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fixed Income (US) [Member] | Cash and Cash Equivalents | Fair Value, Inputs, Level 2 [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, end of year 0    
Voluntary employees' beneficiary association (VEBA) trust [Member] | Post Retirement Welfare Plans [Member] | Fixed Income (US) [Member] | Cash and Cash Equivalents | Fair Value, Inputs, Level 3 [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, end of year 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] 26    
Fair value of plan assets, end of year [2] 25 26  
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  
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] 26    
Fair value of plan assets, end of year [2] 25 26  
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  
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) 1,997,587 2,076,203 2,119,614
Percentage of an employee's remuneration that is being matched by the employer (in hundredths) 7.00%    
Percentage of company match of the first seven percent of employee's compensation contributed to the plan (in hundredths) 50.00%    
Charges for domestic contributions to the Defined Contribution plans $ 67 $ 68 $ 67
Foreign Plan [Member]      
Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract]      
Projected benefit obligation 769 972  
Fair value of plan assets 617 820  
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]      
Projected benefit obligation 718 651  
Accumulated benefit obligation 693 625  
Fair value of plan assets 574 513  
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year 820    
Fair value of plan assets, end of year 938 820  
Foreign Plan [Member] | Investments measured at net asset value [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [3] 691    
Fair value of plan assets, end of year [3] 767 691  
Foreign Plan [Member] | Cash and Cash Equivalents [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [4] 72    
Fair value of plan assets, end of year [4] 103 72  
Foreign 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 [4] 72    
Fair value of plan assets, end of year [4] 103 72  
Foreign 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 [4] 0    
Fair value of plan assets, end of year [4] 0 0  
Foreign 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 [4] 0    
Fair value of plan assets, end of year [4] 0 0  
Foreign Plan [Member] | United States [Member] | Public Equity Funds [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [5] 0    
Fair value of plan assets, end of year [5] 0 0  
Foreign 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 [5] 0    
Fair value of plan assets, end of year [5] 0 0  
Foreign 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 [5] 0    
Fair value of plan assets, end of year [5] 0 0  
Foreign 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 [5] 0    
Fair value of plan assets, end of year [5] 0 0  
Foreign Plan [Member] | Other Alternative Investments [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [6] 57    
Fair value of plan assets, end of year [6] 68 57  
Foreign Plan [Member] | Other Alternative Investments [Member] | Fair Value, Inputs, Level 1 [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [6] 0    
Fair value of plan assets, end of year [6] 0 0  
Foreign Plan [Member] | Other Alternative Investments [Member] | Fair Value, Inputs, Level 2 [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [6] 0    
Fair value of plan assets, end of year [6] 0 0  
Foreign Plan [Member] | Other Alternative Investments [Member] | Fair Value, Inputs, Level 3 [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [6] 57    
Fair value of plan assets, end of year [6] 68 57  
Foreign Plan [Member] | Cash and cash equivalents, public equity, and other investments [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year 129    
Fair value of plan assets, end of year 171 129  
Foreign Plan [Member] | Cash and cash equivalents, public equity, and other investments [Member] | Fair Value, Inputs, Level 1 [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year 72    
Fair value of plan assets, end of year 103 72  
Foreign Plan [Member] | Cash and cash equivalents, public equity, and other investments [Member] | Fair Value, Inputs, Level 2 [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  
Foreign Plan [Member] | Cash and cash equivalents, public equity, and other investments [Member] | Fair Value, Inputs, Level 3 [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year 57    
Fair value of plan assets, end of year $ 68 $ 57  
Foreign Plan [Member] | Pension Plan [Member]      
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]      
Expected Long-Term Rate of Return on Plan Assets 4.04% 4.26%  
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 100.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 100.00% 100.00%  
Change in projected benefit obligation [Roll Forward]      
Benefit obligation, beginning of year $ 972 $ 840  
Service cost 17 14 14
Interest cost 15 20 20
Actuarial loss 66 113  
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement 6 0  
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment 12 0  
Plan participants' contributions 1 1  
Effect of currency exchange 61 11  
Defined Benefit Plan, Benefit Obligation, Prescription Drug Subsidy Receipt 0 0  
Benefits paid (25) (27)  
Benefit obligation, end of year 1,089 972 840
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year 820 713  
Actual return on plan assets 72 102  
Effect of currency exchange 54 9  
Company contributions 22 22  
Reserve for third party contributions 0 0  
Plan participants' contributions 1 1  
Benefits paid (25) (27)  
Defined Benefit Plan, Plan Assets, Prescription Drug Subsidy Receipt 0 0  
Defined Benefit Plan, Plan Assets, Payment for Settlement (6) 0  
Fair value of plan assets, end of year 938 820 713
Funded status at end of year (151) (152)  
Amounts recognized in the Consolidated Statements of Financial Position consist of [Abstract]      
Other noncurrent asset 1 0  
Current liabilities (1) (1)  
Post-employment obligations (151) (151)  
Net amount recognized, end of year (151) (152)  
Accumulated benefit obligation basis for all defined benefit pension plans 1,036 919  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax (11) 0  
Components of net periodic benefit cost [Abstract]      
Service cost 17 14 14
Interest cost 15 20 20
Expected return on plan assets (34) (32) (37)
Amortization of: [Abstract]      
Prior service (credit) cost (1) 0 1
Mark-to-market adjustment 28 43 36
Net periodic benefit cost 25 45 34
Other changes in plan assets and benefit obligations recognized in other comprehensive income [Abstract]      
Current year prior service credit (cost) 12 0 0
Amortization of: [Abstract]      
Prior service (credit) cost (1) 0 1
Total $ 11 $ 0 $ 1
Weighted-average assumptions used to determine benefit obligations for years ended [Abstract]      
Discount rate (in hundredths) 1.08% 1.56% 2.35%
Rate of compensation increase (in hundredths) 2.94% 2.94% 2.94%
Weighted-average assumptions used to determine net periodic cost for years ended [Abstract]      
Discount rate ( in hundredths) 1.56% 2.35% 2.25%
Discount rate for service costs 1.56% 2.35% 2.25%
Discount rate for interest costs 1.56% 2.35% 2.25%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 4.26% 4.49% 4.83%
Rate of compensation increase (in hundredths) 2.94% 2.94% 2.95%
Estimated future benefits payments [Abstract]      
2021 $ 33    
2022 34    
2023 38    
2024 39    
2025 39    
2026-2030 242    
Foreign Plan [Member] | Pension Plan [Member] | Other Investments [Member] | Fair Value, Inputs, Level 3 [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [7] 57 $ 51  
Defined benefit plan unrealized gains [7] 9 5  
Defined Benefit Plan, Plan Assets Level 3 Reconciliation, Increase (Decrease) for Purchase, Sale, and Settlement 2 [7] 1  
Fair value of plan assets, end of year [7] $ 68 $ 57 $ 51
Foreign Plan [Member] | Pension Plan [Member] | Private Equity Securities [Member]      
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 24.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 20.00% 21.00%  
Foreign Plan [Member] | Pension Plan [Member] | Debt Securities [Member]      
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 59.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 57.00% 53.00%  
Foreign Plan [Member] | Pension Plan [Member] | Real Estate [Member]      
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 5.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 6.00% 8.00%  
Foreign Plan [Member] | Pension Plan [Member] | Other Investment Companies [Member]      
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage [1] 12.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) [1] 17.00% 18.00%  
UNITED STATES      
Defined Benefit Plan, Information about Plan Assets [Abstract]      
Amount of defined benefit pension plan funded by the company $ 0    
Defined Benefit Plan, Pension Plan with Project Benefit Obligation in Excess of Plan Assets [Abstract]      
Projected benefit obligation 2,050 $ 1,673  
Fair value of plan assets 1,798 1,512  
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract]      
Projected benefit obligation 2,050 1,673  
Accumulated benefit obligation 1,979 1,611  
Fair value of plan assets 1,798 1,512  
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year 1,919    
Fair value of plan assets, end of year 1,798 1,919  
UNITED STATES | Investments measured at net asset value [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [3] 1,883    
Fair value of plan assets, end of year [3] 1,750 1,883  
UNITED STATES | Cash and Cash Equivalents [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [4] 35    
Fair value of plan assets, end of year [4] 47 35  
UNITED STATES | 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 [4] 35    
Fair value of plan assets, end of year [4] 47 35  
UNITED STATES | 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 [4] 0    
Fair value of plan assets, end of year [4] 0 0  
UNITED STATES | 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 [4] 0    
Fair value of plan assets, end of year [4] 0 0  
UNITED STATES | United States [Member] | Public Equity Funds [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [5] 1    
Fair value of plan assets, end of year [5] 1 1  
UNITED STATES | 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 [5] 1    
Fair value of plan assets, end of year [5] 1 1  
UNITED STATES | 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 [5] 0    
Fair value of plan assets, end of year [5] 0 0  
UNITED STATES | 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 [5] 0    
Fair value of plan assets, end of year [5] 0 0  
UNITED STATES | Other Alternative Investments [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [6] 0    
Fair value of plan assets, end of year [6] 0 0  
UNITED STATES | Other Alternative Investments [Member] | Fair Value, Inputs, Level 1 [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [6] 0    
Fair value of plan assets, end of year [6] 0 0  
UNITED STATES | Other Alternative Investments [Member] | Fair Value, Inputs, Level 2 [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [6] 0    
Fair value of plan assets, end of year [6] 0 0  
UNITED STATES | Other Alternative Investments [Member] | Fair Value, Inputs, Level 3 [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year [6] 0    
Fair value of plan assets, end of year [6] 0 0  
UNITED STATES | Cash and cash equivalents, public equity, and other investments [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year 36    
Fair value of plan assets, end of year 48 36  
UNITED STATES | Cash and cash equivalents, public equity, and other investments [Member] | Fair Value, Inputs, Level 1 [Member]      
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year 36    
Fair value of plan assets, end of year 48 36  
UNITED STATES | Cash and cash equivalents, public equity, and other investments [Member] | Fair Value, Inputs, Level 2 [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  
UNITED STATES | Cash and cash equivalents, public equity, and other investments [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  
UNITED STATES | Pension Plan [Member]      
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]      
Expected Long-Term Rate of Return on Plan Assets 7.29% 7.37%  
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 100.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 100.00% 100.00%  
Change in projected benefit obligation [Roll Forward]      
Benefit obligation, beginning of year $ 2,067 $ 1,959  
Service cost 25 27 35
Interest cost 57 76 67
Actuarial loss 203 200  
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement 122 0  
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment 0 0  
Plan participants' contributions 0 0  
Effect of currency exchange 0 0  
Defined Benefit Plan, Benefit Obligation, Prescription Drug Subsidy Receipt 0 0  
Benefits paid (180) (195)  
Benefit obligation, end of year 2,050 2,067 1,959
Change in plan assets [Roll Forward]      
Fair value of plan assets, beginning of year 1,919 1,820  
Actual return on plan assets 175 289  
Effect of currency exchange 0 0  
Company contributions 6 5  
Reserve for third party contributions 0 0  
Plan participants' contributions 0 0  
Benefits paid (180) (195)  
Defined Benefit Plan, Plan Assets, Prescription Drug Subsidy Receipt 0 0  
Defined Benefit Plan, Plan Assets, Payment for Settlement (122) 0  
Fair value of plan assets, end of year 1,798 1,919 1,820
Funded status at end of year (252) (148)  
Amounts recognized in the Consolidated Statements of Financial Position consist of [Abstract]      
Other noncurrent asset 0 13  
Current liabilities (3) (3)  
Post-employment obligations (249) (158)  
Net amount recognized, end of year (252) (148)  
Accumulated benefit obligation basis for all defined benefit pension plans 1,979 2,005  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax 1 2  
Components of net periodic benefit cost [Abstract]      
Service cost 25 27 35
Interest cost 57 76 67
Expected return on plan assets (135) (128) (147)
Amortization of: [Abstract]      
Prior service (credit) cost 1 0 (1)
Mark-to-market adjustment 163 39 89
Net periodic benefit cost 111 14 43
Other changes in plan assets and benefit obligations recognized in other comprehensive income [Abstract]      
Current year prior service credit (cost) 0 0 0
Amortization of: [Abstract]      
Prior service (credit) cost 1 0 (1)
Total $ 1 $ 0 $ (1)
Weighted-average assumptions used to determine benefit obligations for years ended [Abstract]      
Discount rate (in hundredths) 2.48% 3.25% 4.29%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Weighted-Average Interest Crediting Rate 5.50% 5.52% 5.54%
Rate of compensation increase (in hundredths) 2.75% 3.25% 3.25%
Weighted-average assumptions used to determine net periodic cost for years ended [Abstract]      
Discount rate ( in hundredths) 3.25% 4.29% 3.57%
Discount rate for service costs 3.31% 4.32% 3.64%
Discount rate for interest costs 2.83% 3.96% 3.18%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 7.37% 7.43% 7.48%
Rate of compensation increase (in hundredths) 3.25% 3.25% 3.25%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Weighted-Average Interest Crediting Rate 5.52% 5.54% 5.55%
Estimated future benefits payments [Abstract]      
2021 $ 151    
2022 147    
2023 143    
2024 135    
2025 142    
2026-2030 $ 639    
UNITED STATES | Pension Plan [Member] | Private Equity Securities [Member]      
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 41.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 39.00% 50.00%  
UNITED STATES | Pension Plan [Member] | Debt Securities [Member]      
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 39.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 43.00% 37.00%  
UNITED STATES | Pension Plan [Member] | Real Estate [Member]      
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage 2.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) 2.00% 2.00%  
UNITED STATES | Pension Plan [Member] | Other Investment Companies [Member]      
Defined Benefit Plan, Plan Assets, Allocations [Abstract]      
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage [1] 18.00%    
Defined Benefit Plan, Actual Plan Asset Allocations (in hundredths) [1] 16.00% 11.00%  
UNITED STATES | Retirement Plan Name, Other | Pension Plan [Member]      
Change in projected benefit obligation [Roll Forward]      
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement $ 110    
NETHERLANDS | Pension Plan [Member]      
Change in projected benefit obligation [Roll Forward]      
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment $ 12    
Estimated future benefits payments [Abstract]      
Defined Benefit Plan, Plan Amendments, Period of Amortization 13 years    
[1] U.S. primarily consists of private equity and natural resource and energy related limited partnership investments and public real assets. Non-U.S. primarily consists of annuity contracts and alternative investments.
[2] Debt: The fixed income securities are primarily valued upon a market approach, using matrix pricing and considering a security's relationship to other securities for which quoted prices in an active market may be available, or an income approach, converting future cash flows to a single present value amount. Inputs used in developing fair value estimates include reported trades, broker quotes, benchmark yields, and base spreads.
[3] Investments Measured at Net Asset Value: The underlying debt, public equity, and public real asset 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. The other alternative investments in this category are valued under the practical expedient method which is based on the most recently reported 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.
[4] Cash and Cash Equivalents: Funds generally invested in actively managed collective trust funds or interest bearing accounts.
[5] Public Equity - United States: Common stock equity securities which are primarily valued using a market approach based on the quoted market prices.
[6] Other Investments: Primarily consist of insurance contracts which are generally valued using a crediting rate that approximates market returns and investments in underlying securities whose market values are unobservable and determined using pricing models, discounted cash flow methodologies, or similar techniques.
[7] Primarily consists of insurance contracts.