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Consolidated Statements Of Shareholders' Equity - USD ($) shares in Millions, $ in Millions | Total | Cumulative Effect, Period of Adoption, Adjusted Balance | Previously Reported | Common Stock [Member] | Reinvested Earnings [Member] | Reinvested Earnings [Member] Cumulative Effect, Period of Adoption, Adjusted Balance | Reinvested Earnings [Member] Previously Reported | Accumulated Other Comprehensive Income (Loss) [Member] | Noncontrolling Interest [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2017 | $ 18,322 |  |  | $ 2,398 | $ 17,552 |  |  | $ (1,637) | $ 9
Balance, shares at Dec. 31, 2017 |  |  |  | 557 |  |  |  |  |
Comprehensive income |  |  |  |  |  |  |  |  |
Net earnings | 1,815 |  |  |  | 1,810 |  |  |  | 5
Other comprehensive income (loss) | (469) |  |  |  |  |  |  | (469) |
Total comprehensive income | $ 1,346 |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid | $ 1.34 |  |  |  |  |  |  |  |
Cash dividends paid | $ (758) |  |  |  | (758) |  |  |  |
Treasury stock purchases, shares |  |  |  | (2) |  |  |  |  |
Treasury stock purchases | (77) |  |  |  | (77) |  |  |  |
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture |  |  |  | 2 |  |  |  |  |
Stock compensation expense | 109 |  |  | $ 109 |  |  |  |  |
Other | 54 |  |  | $ 53 |  |  |  |  | 1
Other, shares |  |  |  | 2 |  |  |  |  |
Balance at Dec. 31, 2018 | 18,996 |  |  | $ 2,560 | 18,527 |  |  | (2,106) | 15
Balance, shares at Dec. 31, 2018 |  |  |  | 559 |  |  |  |  |
Comprehensive income |  |  |  |  |  |  |  |  |
Net earnings | 1,379 |  |  |  | 1,379 |  |  |  |
Other comprehensive income (loss) | (297) |  |  |  |  |  |  | (299) | 2
Total comprehensive income | $ 1,082 |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid | $ 1.40 |  |  |  |  |  |  |  |
Cash dividends paid | $ (789) |  |  |  | (789) |  |  |  |
Stock Repurchased During Period, Shares |  |  |  | (4) |  |  |  |  |
Stock Repurchased During Period, Value | (150) |  |  |  | (150) |  |  |  |
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture |  |  |  | 2 |  |  |  |  |
Stock compensation expense | 89 |  |  | $ 89 |  |  |  |  |
Other | (3) |  |  | $ 6 | (9) |  |  |  |
Other, shares |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2019 | 19,225 | $ 19,217 | $ 19,225 | $ 2,655 |  | $ 18,950 | $ 18,958 | (2,405) | 17
Balance (Accounting Standards Update 2019-05) at Dec. 31, 2019 | (8) |  |  |  | (8) |  |  |  |
Balance, shares at Dec. 31, 2019 |  |  |  | 557 |  |  |  |  |
Comprehensive income |  |  |  |  |  |  |  |  |
Net earnings | 1,782 |  |  |  | 1,772 |  |  |  | 10
Other comprehensive income (loss) | (192) |  |  |  |  |  |  | (199) | 7
Total comprehensive income | $ 1,590 |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid | $ 1.44 |  |  |  |  |  |  |  |
Cash dividends paid | $ (809) |  |  |  | (809) |  |  |  |
Stock Repurchased During Period, Shares |  |  |  | (4) |  |  |  |  |
Stock Repurchased During Period, Value | (133) |  |  |  | (133) |  |  |  |
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture |  |  |  | 2 |  |  |  |  |
Stock compensation expense | 151 |  |  | $ 151 |  |  |  |  |
Other | 6 |  |  | $ 18 |  |  |  |  | (12)
Other, shares |  |  |  | 1 |  |  |  |  |
Balance at Dec. 31, 2020 | $ 20,022 |  |  | $ 2,824 | $ 19,780 |  |  | $ (2,604) | $ 22
Balance, shares at Dec. 31, 2020 |  |  |  | 556 |  |  |  |  |

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