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v3.19.2

Consolidated Statements Of Shareholders' Equity - USD ($) $ in Millions | Total | Common Stock [Member] | Common shares in treasury [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Cumulative Foreign Currency Translation Adjustment [Member] | Postretirement Benefit Liability Adjustment [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Cumulative effect of adoption of accounting guidance |  |  |  |  | $ 410 | $ (417) |  |  |
Balance - beginning of period at Dec. 31, 2017 |  | $ 11,121 | $ (1,944) | $ 13,978 | 27,884 | 1,033 | $ (1,187) | $ 280 |
Balance - beginning of period (Previous Accounting Guidance [Member]) at Dec. 31, 2017 |  |  |  |  | 27,474 | 1,450 |  |  |
Common Shares repurchased |  |  | (324) |  |  |  |  |  |
Net shares redeemed under employee share-based compensation plans |  |  | 228 | (261) |  |  |  |  |
Exercise of stock options |  |  |  | (19) |  |  |  |  |
Share-based compensation expense |  |  |  | 123 |  |  |  |  |
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings |  |  |  | (671) |  |  |  |  |
Net income (loss) | $ 2,376 |  |  |  | 2,376 |  |  |  |
Funding of dividends declared from Additional paid-in capital |  |  |  |  | 671 |  |  |  |
Dividends declared on Common Shares |  |  |  |  | (671) |  |  |  |
Change in period, before reclassification from AOCI, net of income tax benefit (expense) of $(225), $74, $(549) and $300 |  |  |  |  |  | (1,512) |  |  |
Amounts reclassified from AOCI, net of income tax benefit (expense) of $4, $(12), $(2) and $(15) |  |  |  |  |  | 89 |  |  |
Change in period, net of income tax benefit (expense) of $(221), $62, $(551) and $285 |  |  |  |  |  | (1,423) |  |  |
Change in period, net of income tax benefit (expense) of $2, $4, $(5) and $(15) |  |  |  |  |  |  | (192) |  |
Change in period, net of income tax benefit of $3, $5, $9 and $9 |  |  |  |  |  |  |  | (31) |
Balance - end of period at Jun. 30, 2018 | 50,971 | 11,121 | (2,040) | 13,150 | 30,260 | (390) | (1,379) | 249 | $ (1,520)
Cumulative effect of adoption of accounting guidance |  |  |  |  | 0 | 0 |  |  |
Balance - beginning of period at Mar. 31, 2018 |  | 11,121 | (1,727) | 13,430 | 28,966 | 45 | (809) | 261 |
Balance - beginning of period (Previous Accounting Guidance [Member]) at Mar. 31, 2018 |  |  |  |  | 28,966 | 45 |  |  |
Common Shares repurchased |  |  | (324) |  |  |  |  |  |
Net shares redeemed under employee share-based compensation plans |  |  | 11 | 1 |  |  |  |  |
Exercise of stock options |  |  |  | (3) |  |  |  |  |
Share-based compensation expense |  |  |  | 61 |  |  |  |  |
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings |  |  |  | (339) |  |  |  |  |
Net income (loss) | 1,294 |  |  |  | 1,294 |  |  |  |
Funding of dividends declared from Additional paid-in capital |  |  |  |  | 339 |  |  |  |
Dividends declared on Common Shares |  |  |  |  | (339) |  |  |  |
Change in period, before reclassification from AOCI, net of income tax benefit (expense) of $(225), $74, $(549) and $300 |  |  |  |  |  | (504) |  |  |
Amounts reclassified from AOCI, net of income tax benefit (expense) of $4, $(12), $(2) and $(15) |  |  |  |  |  | 69 |  |  |
Change in period, net of income tax benefit (expense) of $(221), $62, $(551) and $285 |  |  |  |  |  | (435) |  |  |
Change in period, net of income tax benefit (expense) of $2, $4, $(5) and $(15) |  |  |  |  |  |  | (570) |  |
Change in period, net of income tax benefit of $3, $5, $9 and $9 |  |  |  |  |  |  |  | (12) |
Balance - end of period at Jun. 30, 2018 | 50,971 | 11,121 | (2,040) | 13,150 | 30,260 | (390) | (1,379) | 249 | (1,520)
Cumulative effect of adoption of accounting guidance |  |  |  |  |  | 0 |  |  |
Cumulative effect of adoption of accounting guidance | Accounting Standards Update 2017-08 [Member] |  |  |  |  | (12) |  |  |  |
Balance - beginning of period at Dec. 31, 2018 | 50,312 | 11,121 | (2,618) | 12,557 | 31,688 | (545) | (1,976) | 73 |
Balance - beginning of period (Previous Accounting Guidance [Member]) at Dec. 31, 2018 |  |  |  |  | 31,700 | (545) |  |  |
Common Shares repurchased |  |  | (743) |  |  |  |  |  |
Net shares redeemed under employee share-based compensation plans |  |  | 268 | (190) |  |  |  |  |
Exercise of stock options |  |  |  | (48) |  |  |  |  |
Share-based compensation expense |  |  |  | 117 |  |  |  |  |
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings |  |  |  | (679) |  |  |  |  |
Net income (loss) | 2,190 |  |  |  | 2,190 |  |  |  |
Funding of dividends declared from Additional paid-in capital |  |  |  |  | 679 |  |  |  |
Dividends declared on Common Shares |  |  |  |  | (679) |  |  |  |
Change in period, before reclassification from AOCI, net of income tax benefit (expense) of $(225), $74, $(549) and $300 |  |  |  |  |  | 2,548 |  |  |
Amounts reclassified from AOCI, net of income tax benefit (expense) of $4, $(12), $(2) and $(15) |  |  |  |  |  | 30 |  |  |
Change in period, net of income tax benefit (expense) of $(221), $62, $(551) and $285 |  |  |  |  |  | 2,578 |  |  |
Change in period, net of income tax benefit (expense) of $2, $4, $(5) and $(15) |  |  |  |  |  |  | 45 |  |
Change in period, net of income tax benefit of $3, $5, $9 and $9 |  |  |  |  |  |  |  | (36) |
Balance - end of period at Jun. 30, 2019 | 53,802 | 11,121 | (3,093) | 11,757 | 33,878 | 2,033 | (1,931) | 37 | 139
Cumulative effect of adoption of accounting guidance |  |  |  |  |  | 0 |  |  |
Cumulative effect of adoption of accounting guidance | Accounting Standards Update 2017-08 [Member] |  |  |  |  | 0 |  |  |  |
Balance - beginning of period at Mar. 31, 2019 |  | 11,121 | (2,775) | 12,051 | 32,728 | 1,014 | (1,836) | 52 |
Balance - beginning of period (Previous Accounting Guidance [Member]) at Mar. 31, 2019 |  |  |  |  | 32,728 | 1,014 |  |  |
Common Shares repurchased |  |  | (376) |  |  |  |  |  |
Net shares redeemed under employee share-based compensation plans |  |  | 58 | 1 |  |  |  |  |
Exercise of stock options |  |  |  | (14) |  |  |  |  |
Share-based compensation expense |  |  |  | 63 |  |  |  |  |
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings |  |  |  | (344) |  |  |  |  |
Net income (loss) | 1,150 |  |  |  | 1,150 |  |  |  |
Funding of dividends declared from Additional paid-in capital |  |  |  |  | 344 |  |  |  |
Dividends declared on Common Shares |  |  |  |  | (344) |  |  |  |
Change in period, before reclassification from AOCI, net of income tax benefit (expense) of $(225), $74, $(549) and $300 |  |  |  |  |  | 1,027 |  |  |
Amounts reclassified from AOCI, net of income tax benefit (expense) of $4, $(12), $(2) and $(15) |  |  |  |  |  | (8) |  |  |
Change in period, net of income tax benefit (expense) of $(221), $62, $(551) and $285 |  |  |  |  |  | 1,019 |  |  |
Change in period, net of income tax benefit (expense) of $2, $4, $(5) and $(15) |  |  |  |  |  |  | (95) |  |
Change in period, net of income tax benefit of $3, $5, $9 and $9 |  |  |  |  |  |  |  | (15) |
Balance - end of period at Jun. 30, 2019 | $ 53,802 | $ 11,121 | $ (3,093) | $ 11,757 | $ 33,878 | $ 2,033 | $ (1,931) | $ 37 | $ 139

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