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STOCKHOLDERS' EQUITY (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Feb. 01, 2018 | Jan. 31, 2018 | Dec. 31, 2015 | Feb. 01, 2014
All Classes Of Equity Shares Authorized For Issue |  | 400,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000,000 |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Authorized |  | 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000,000 |  |  |  |  |  |  |  |  |
Preferred Stock, Par or Stated Value Per Share |  | $ 0.01 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.01 |  |  |  |  |  |  |  |  |
Common Stock, Shares Authorized |  | 350,000,000 |  |  |  |  |  |  |  | 350,000,000 |  |  |  |  |  |  |  | 350,000,000 |  | 350,000,000 |  |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share |  | $ 0.01 |  |  |  |  |  |  |  | $ 0.01 |  |  |  |  |  |  |  | $ 0.01 |  | $ 0.01 |  |  |  |  |  |  |
Cash dividends declared (per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.30 |  | $ 2.09 |  | $ 1.89 |  |  |  |  |
Class of Warrant or Right, Outstanding |  | 6,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,000,000 |  |  |  |  |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (400) |  | $ (350) |  | $ (145) |  |  |  |  |
Treasury stock held by the Companys charitable foundation in shares |  | 50,798 |  |  |  |  |  |  |  | 50,798 |  |  |  |  |  |  |  | 50,798 |  | 50,798 |  |  |  |  |  |  |
Treasury Stock, Shares, Acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,959,878 |  | 4,184,637 |  | 2,131,501 |  |  |  |  |
Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  |  |  |  |  | $ 5,403 |  |  |  |  |  |  |  |  |  | $ 5,403 |  |  |  |  |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 16 |  |
Net Earnings |  | $ 34 |  | $ 412 |  | $ 344 |  | 290 |  | $ 491 |  | $ 323 |  | $ 292 |  | $ 278 |  | 1,080 |  | $ 1,384 |  | $ 854 |  |  |  |  |
Income attributable to noncontrolling interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  | 4 |  | 5 |  |  |  |  |
Net earnings including noncontrolling interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,084 |  | 1,388 |  | 859 |  |  |  |  |
Cash dividends declared | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (325) |  | (303) |  | (279) |  |  |  |  |
Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (36) |  | 72 |  | 109 |  |  |  |  |
Share-Based Compensation Expense | [3] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 64 |  | 52 |  | 35 |  |  |  |  |
Stock Option Exercises |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18 |  | 22 |  | 21 |  |  |  |  |
Stockholders' Equity, Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (18) | [4] | (5) |  | (5) |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (400) |  | (350) |  | (145) |  |  |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (5) |  | (4) |  | (8) |  |  |  |  |
Ending Balance |  | 5,803 |  |  |  |  |  |  |  | 5,403 |  |  |  |  |  |  |  | 5,803 |  | 5,403 |  |  |  |  |  |  |
Total equity |  | 5,878 |  |  |  |  |  |  |  | 5,480 |  |  |  |  |  |  |  | 5,878 |  | 5,480 |  | 4,608 |  |  |  | $ 4,021 |
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings attributable to Eastman |  | $ 34 |  | $ 412 |  | $ 344 |  | $ 290 |  | $ 491 |  | $ 323 |  | $ 292 |  | $ 278 |  | $ 1,080 |  | $ 1,384 |  | $ 854 |  |  |  |  |
Shares used for earnings per share calculation, Basic (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 141,200,000 |  | 144,800,000 |  | 147,300,000 |  |  |  |  |
Weighted Average Number Diluted Shares Outstanding Adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000 |  | 1,300,000 |  | 1,100,000 |  |  |  |  |
Shares used for earnings per share calculation, Diluted (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 142,900,000 |  | 146,100,000 |  | 148,400,000 |  |  |  |  |
Basic earnings per share attributable to Eastman |  | $ 0.25 | [5] | $ 2.93 | [5] | $ 2.42 | [5] | $ 2.03 | [5] | $ 3.42 | [5] | $ 2.24 | [5] | $ 2.01 | [5] | $ 1.90 | [5] | $ 7.65 | [6] | $ 9.56 | [6] | $ 5.80 | [6] |  |  |  |
Diluted earnings per share attributable to Eastman |  | $ 0.24 | [5] | $ 2.89 | [5] | $ 2.39 | [5] | $ 2.00 | [5] | $ 3.39 | [5] | $ 2.22 | [5] | $ 2.00 | [5] | $ 1.89 | [5] | $ 7.56 | [6] | $ 9.47 | [6] | $ 5.75 | [6] |  |  |  |
Underlying options excluded from the computation of diluted earnings per share (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 619,706 |  | 204,978 |  | 1,072,468 |  |  |  |  |
Shares of common stock issued [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of period (in shares) |  |  |  |  |  |  |  | 218,369,992 |  |  |  |  |  |  |  | 217,707,600 |  | 218,369,992 |  | 217,707,600 |  | 216,899,964 |  |  |  |  |
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 770,531 |  | 662,392 |  | 807,636 |  |  |  |  |
Balance, ending of period (in shares) |  | 219,140,523 |  |  |  |  |  |  |  | 218,369,992 |  |  |  |  |  |  |  | 219,140,523 |  | 218,369,992 |  | 217,707,600 |  |  |  |  |
Accumulated Other Comprehensive Income Loss Net Of Tax Abstract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cumulative Translation Adjustment |  | $ (309) |  |  |  |  |  |  |  | $ (296) |  |  |  |  |  |  |  | $ (309) |  | $ (296) |  | $ (381) |  |  |  |  |
Unrecognized Prior Service Credits for Benefit Plans |  | 106 |  |  |  |  |  |  |  | 136 |  |  |  |  |  |  |  | 106 |  | 136 |  | 163 |  |  |  |  |
Unrealized Gains (Losses) on Derivative Instruments |  | (41) |  |  |  |  |  |  |  | (48) |  |  |  |  |  |  |  | (41) |  | (48) |  | (62) |  |  |  |  |
Unrealized Losses on Investments |  | (1) |  |  |  |  |  |  |  | (1) |  |  |  |  |  |  |  | (1) |  | (1) |  | (1) |  |  |  |  |
Accumulated other comprehensive loss |  | (245) |  |  |  |  |  |  |  | (209) |  |  |  |  |  |  |  | (245) |  | (209) |  | (281) |  |  |  |  |
Cumulative Translation Adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (13) |  | 85 |  | (97) |  |  |  |  |
Change in defined benefit pension and other postretirement benefit plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (30) |  | (27) |  | 34 |  |  |  |  |
Unrealized Gains (Losses) on Derivative Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7 |  | 14 |  | 172 |  |  |  |  |
Unrealized Losses on Investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (36) |  | 72 |  | 109 |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cumulative Translation Adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (13) |  | 85 |  | (97) |  |  |  |  |
Prior service credit arising during the period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 64 |  |  |  |  |
Amortization of unrecognized prior service credits included in net periodic costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (30) |  | (27) |  | (30) |  |  |  |  |
Change in defined benefit pension and other postretirement benefit plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (30) |  | (27) |  | 34 |  |  |  |  |
Unrealized gain (loss) during period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22 |  | 7 |  | 93 |  |  |  |  |
Reclassification adjustment for losses included in net income, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (15) |  | 7 |  | 79 |  |  |  |  |
Unrealized Gains (Losses) on Derivative Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7 |  | 14 |  | 172 |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (36) |  | 72 |  | 109 |  |  |  |  |
Other Comprehensive Income (Loss), before Tax [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in cumulative translation adjustment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (13) |  | 85 |  | (97) |  |  |  |  |
Prior service credits arising during the period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 103 |  |  |  |  |
Amortization of unrecognized prior service credits included in net periodic costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (40) |  | (43) |  | (48) |  |  |  |  |
Change in defined benefit pension and other postretirement benefit plans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (40) |  | (43) |  | 55 |  |  |  |  |
Unrealized gain (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 |  | 11 |  | 150 |  |  |  |  |
Reclassification adjustment for loss included in net income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (20) |  | 11 |  | 127 |  |  |  |  |
Change in derivatives and hedging |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 |  | 22 |  | 277 |  |  |  |  |
Total other comprehensive income (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (43) |  | 64 |  | 235 |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  |  |  |  |  | $ 2 |  |  |  |  |  |  |  | $ 2 |  | 2 |  | 2 |  | 2 |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |
Net Earnings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Cash dividends declared | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Share-Based Compensation Expense | [3] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stock Option Exercises |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stockholders' Equity, Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | [4] | 0 |  | 0 |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Ending Balance |  | 2 |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  | 2 |  | 2 |  | 2 |  |  |  |  |
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings attributable to Eastman |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Accumulated Other Comprehensive Income Loss Net Of Tax Abstract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Additional Paid In Capital [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  |  |  |  |  | 1,983 |  |  |  |  |  |  |  | 1,915 |  | 1,983 |  | 1,915 |  | 1,863 |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |
Net Earnings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Cash dividends declared | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Share-Based Compensation Expense | [3] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 64 |  | 52 |  | 35 |  |  |  |  |
Stock Option Exercises |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18 |  | 22 |  | 21 |  |  |  |  |
Stockholders' Equity, Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (17) | [4] | (6) |  | (4) |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Ending Balance |  | 2,048 |  |  |  |  |  |  |  | 1,983 |  |  |  |  |  |  |  | 2,048 |  | 1,983 |  | 1,915 |  |  |  |  |
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings attributable to Eastman |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Accumulated Other Comprehensive Income Loss Net Of Tax Abstract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Retained Earnings [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  |  |  |  |  | 6,802 |  |  |  |  |  |  |  | 5,721 |  | 6,802 |  | 5,721 |  | 5,146 |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16 |  |
Net Earnings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,080 |  | 1,384 |  | 854 |  |  |  |  |
Cash dividends declared | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (325) |  | (303) |  | (279) |  |  |  |  |
Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Share-Based Compensation Expense | [3] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stock Option Exercises |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stockholders' Equity, Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | [4] | 0 |  | 0 |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Ending Balance |  | 7,573 |  |  |  |  |  |  |  | 6,802 |  |  |  |  |  |  |  | 7,573 |  | 6,802 |  | 5,721 |  |  |  |  |
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings attributable to Eastman |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,080 |  | 1,384 |  | 854 |  |  |  |  |
Accumulated Other Comprehensive Income Loss Net Of Tax Abstract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  |  |  |  |  | (209) |  |  |  |  |  |  |  | (281) |  | (209) |  | (281) |  | (390) |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |
Net Earnings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Cash dividends declared | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (36) |  | 72 |  | 109 |  |  |  |  |
Share-Based Compensation Expense | [3] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stock Option Exercises |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stockholders' Equity, Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | [4] | 0 |  | 0 |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Ending Balance |  | (245) |  |  |  |  |  |  |  | (209) |  |  |  |  |  |  |  | (245) |  | (209) |  | (281) |  |  |  |  |
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings attributable to Eastman |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Accumulated Other Comprehensive Income Loss Net Of Tax Abstract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (36) |  | 72 |  | 109 |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (36) |  | 72 |  | 109 |  |  |  |  |
Treasury Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (400) |  | (350) |  | (145) |  |  |  |  |
Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  |  |  |  |  | (3,175) |  |  |  |  |  |  |  | (2,825) |  | (3,175) |  | (2,825) |  | (2,680) |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  |
Net Earnings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Cash dividends declared | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Share-Based Compensation Expense | [3] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stock Option Exercises |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stockholders' Equity, Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | [4] | 0 |  | 0 |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (400) |  | (350) |  | (145) |  |  |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Ending Balance |  | (3,575) |  |  |  |  |  |  |  | (3,175) |  |  |  |  |  |  |  | (3,575) |  | (3,175) |  | (2,825) |  |  |  |  |
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings attributable to Eastman |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Accumulated Other Comprehensive Income Loss Net Of Tax Abstract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Eastman's Stockholders' Equity [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (400) |  | (350) |  | (145) |  |  |  |  |
Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  |  |  |  |  | 5,403 |  |  |  |  |  |  |  | 4,532 |  | 5,403 |  | 4,532 |  | 3,941 |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16 |  |
Net Earnings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,080 |  | 1,384 |  | 854 |  |  |  |  |
Cash dividends declared | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (325) |  | (303) |  | (279) |  |  |  |  |
Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (36) |  | 72 |  | 109 |  |  |  |  |
Share-Based Compensation Expense | [3] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 64 |  | 52 |  | 35 |  |  |  |  |
Stock Option Exercises |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18 |  | 22 |  | 21 |  |  |  |  |
Stockholders' Equity, Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (17) | [4] | (6) |  | (4) |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (400) |  | (350) |  | (145) |  |  |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Ending Balance |  | 5,803 |  |  |  |  |  |  |  | 5,403 |  |  |  |  |  |  |  | 5,803 |  | 5,403 |  | 4,532 |  |  |  |  |
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings attributable to Eastman |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,080 |  | 1,384 |  | 854 |  |  |  |  |
Accumulated Other Comprehensive Income Loss Net Of Tax Abstract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (36) |  | 72 |  | 109 |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (36) |  | 72 |  | 109 |  |  |  |  |
Noncontrolling Interest [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning Balance |  |  |  |  |  |  |  | $ 77 |  |  |  |  |  |  |  | $ 76 |  | 77 |  | 76 |  | 80 |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |
Income attributable to noncontrolling interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  | 4 |  | 5 |  |  |  |  |
Cash dividends declared | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Share-Based Compensation Expense | [3] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stock Option Exercises |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Stockholders' Equity, Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1) | [4] | 1 |  | (1) |  |  |  |  |
Stock Repurchases |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (5) |  | (4) |  | (8) |  |  |  |  |
Ending Balance |  | $ 75 |  |  |  |  |  |  |  | $ 77 |  |  |  |  |  |  |  | 75 |  | 77 |  | 76 |  |  |  |  |
Accumulated Other Comprehensive Income Loss Net Of Tax Abstract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 0 |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  | $ 0 |  | $ 0 |  |  |  |  |
2014 Repurchase Program [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000
Stock Repurchase Program, Number of Shares Authorized to be Repurchased |  | 12,215,950 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,215,950 |  |  |  |  |  |  |  |  |
2018 Repurchase Program [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000 |  |  |
Stock Repurchase Program, Number of Shares Authorized to be Repurchased |  | 2,470,755 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,470,755 |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Amount Repurchased to Date |  | $ 248 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 248 |  |  |  |  |  |  |  |  |
[1] | On January 1, 2018, the Company adopted new accounting standards for revenue recognition, income taxes, and derivatives and hedging, which resulted in adjustments to beginning retained earnings. See Note 1, "Significant Accounting Policies", for specific amounts related to each standard.
[2] | Cash dividends includes cash dividends paid and dividends declared, but unpaid.
[3] | Share-based compensation expense is the fair value of share-based awards.
[4] | Additional paid-in capital includes value of shares withheld for employees' taxes on vesting of share-based compensation awards.
[5] | Each quarter is calculated as a discrete period; the sum of the four quarters may not equal the calculated full year amount.
[6] | Earnings per share are calculated using whole dollars and shares.

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