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v3.20.2

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] | AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] | Cumulative Foreign Currency Translation Adjustment [Member] | Postretirement Benefit Liability Adjustment [Member] | Accumulated Other Comprehensive Income (Loss) [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance - beginning of period at Dec. 31, 2018 |  | $ 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 |  |  |  |
Balance - beginning of period (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2018 |  |  |  |  | (12) |  |  |  |
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 expense of $(522), $(225), $(198) and $(549) |  |  |  |  |  | 2,548 |  |  |
Amounts reclassified from AOCI, net of income tax (expense) benefit of $(2), $4, $(42) and $(2) |  |  |  |  |  | 30 |  |  |
Change in period, net of income tax expense of $(524), $(221), $(240) and $(551) |  |  |  |  |  | 2,578 |  |  |
Change in period, net of income tax (expense) benefit of $6, $2, $40 and $(5) |  |  |  |  |  |  | 45 |  |
Change in period, net of income tax benefit of $5, $3, $8 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
Other Comprehensive Income (Loss), Available-for-sale Securities, before Reclassification Adjustments, Tax |  |  |  |  |  | (549) |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax | (2) |  |  |  |  | (2) |  |  |
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax |  |  |  |  |  | (551) |  |  |
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax |  |  |  |  |  |  | (5) |  |
Pension liability adjustment, Change in period, income tax (expense) benefit |  |  |  |  |  |  |  | 9 |
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 |  |  |  |
Balance - beginning of period (Accounting Standards Update 2017-08 [Member]) at Mar. 31, 2019 |  |  |  |  | 0 |  |  |  |
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 expense of $(522), $(225), $(198) and $(549) |  |  |  |  |  | 1,027 |  |  |
Amounts reclassified from AOCI, net of income tax (expense) benefit of $(2), $4, $(42) and $(2) |  |  |  |  |  | (8) |  |  |
Change in period, net of income tax expense of $(524), $(221), $(240) and $(551) |  |  |  |  |  | 1,019 |  |  |
Change in period, net of income tax (expense) benefit of $6, $2, $40 and $(5) |  |  |  |  |  |  | (95) |  |
Change in period, net of income tax benefit of $5, $3, $8 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
Other Comprehensive Income (Loss), Available-for-sale Securities, before Reclassification Adjustments, Tax |  |  |  |  |  | (225) |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax | 4 |  |  |  |  | 4 |  |  |
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax |  |  |  |  |  | (221) |  |  |
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax |  |  |  |  |  |  | 2 |  |
Pension liability adjustment, Change in period, income tax (expense) benefit |  |  |  |  |  |  |  | 3 |
Balance - beginning of period at Dec. 31, 2019 | 55,331 | 11,121 | (3,754) | 11,203 | 36,070 | 2,543 | (1,939) | 15 |
Balance - beginning of period (Previous Accounting Guidance [Member]) at Dec. 31, 2019 |  |  |  |  | 36,142 |  |  |  |
Balance - beginning of period (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2019 |  |  |  |  | (72) |  |  |  |
Common Shares repurchased |  |  | (326) |  |  |  |  |  |
Net shares redeemed under employee share-based compensation plans |  |  | 214 | (189) |  |  |  |  |
Exercise of stock options |  |  |  | (29) |  |  |  |  |
Share-based compensation expense |  |  |  | 124 |  |  |  |  |
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings |  |  |  | (693) |  |  |  |  |
Net income (loss) | (79) |  |  |  | (79) |  |  |  |
Funding of dividends declared from Additional paid-in capital |  |  |  |  | 693 |  |  |  |
Dividends declared on Common Shares |  |  |  |  | (693) |  |  |  |
Change in period, before reclassification from AOCI, net of income tax expense of $(522), $(225), $(198) and $(549) |  |  |  |  |  | 571 |  |  |
Amounts reclassified from AOCI, net of income tax (expense) benefit of $(2), $4, $(42) and $(2) |  |  |  |  |  | 310 |  |  |
Change in period, net of income tax expense of $(524), $(221), $(240) and $(551) |  |  |  |  |  | 881 |  |  |
Change in period, net of income tax (expense) benefit of $6, $2, $40 and $(5) |  |  |  |  |  |  | (374) |  |
Change in period, net of income tax benefit of $5, $3, $8 and $9 |  |  |  |  |  |  |  | (28) |
Balance - end of period at Jun. 30, 2020 | 54,760 | 11,121 | (3,866) | 10,416 | 35,991 | 3,424 | (2,313) | (13) | 1,098
Other Comprehensive Income (Loss), Available-for-sale Securities, before Reclassification Adjustments, Tax |  |  |  |  |  | (198) |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax | (42) |  |  |  |  | (42) |  |  |
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax |  |  |  |  |  | (240) |  |  |
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax |  |  |  |  |  |  | 40 |  |
Pension liability adjustment, Change in period, income tax (expense) benefit |  |  |  |  |  |  |  | 8 |
Balance - beginning of period at Mar. 31, 2020 |  | 11,121 | (3,872) | 10,710 | 36,322 | 667 | (2,764) | 4 |
Balance - beginning of period (Previous Accounting Guidance [Member]) at Mar. 31, 2020 |  |  |  |  | 36,322 |  |  |  |
Balance - beginning of period (Accounting Standards Update 2016-13 [Member]) at Mar. 31, 2020 |  |  |  |  | 0 |  |  |  |
Common Shares repurchased |  |  | 0 |  |  |  |  |  |
Net shares redeemed under employee share-based compensation plans |  |  | 6 | 7 |  |  |  |  |
Exercise of stock options |  |  |  | (3) |  |  |  |  |
Share-based compensation expense |  |  |  | 55 |  |  |  |  |
Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings |  |  |  | (353) |  |  |  |  |
Net income (loss) | (331) |  |  |  | (331) |  |  |  |
Funding of dividends declared from Additional paid-in capital |  |  |  |  | 353 |  |  |  |
Dividends declared on Common Shares |  |  |  |  | (353) |  |  |  |
Change in period, before reclassification from AOCI, net of income tax expense of $(522), $(225), $(198) and $(549) |  |  |  |  |  | 2,726 |  |  |
Amounts reclassified from AOCI, net of income tax (expense) benefit of $(2), $4, $(42) and $(2) |  |  |  |  |  | 31 |  |  |
Change in period, net of income tax expense of $(524), $(221), $(240) and $(551) |  |  |  |  |  | 2,757 |  |  |
Change in period, net of income tax (expense) benefit of $6, $2, $40 and $(5) |  |  |  |  |  |  | 451 |  |
Change in period, net of income tax benefit of $5, $3, $8 and $9 |  |  |  |  |  |  |  | (17) |
Balance - end of period at Jun. 30, 2020 | 54,760 | $ 11,121 | $ (3,866) | $ 10,416 | $ 35,991 | 3,424 | (2,313) | (13) | $ 1,098
Other Comprehensive Income (Loss), Available-for-sale Securities, before Reclassification Adjustments, Tax |  |  |  |  |  | (522) |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax | $ (2) |  |  |  |  | (2) |  |  |
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax |  |  |  |  |  | $ (524) |  |  |
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax |  |  |  |  |  |  | $ 6 |  |
Pension liability adjustment, Change in period, income tax (expense) benefit |  |  |  |  |  |  |  | $ 5 |

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