Consolidated Statements of Changes in Common Shareholders' Equity - USD ($) $ in Millions |
Common Stock [Member] |
Treasury Stock [Member] |
Additional Paid-in Capital [Member] |
Retained Earnings [Member] |
AOCI Attributable to Parent [Member] |
[1] | Total |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Balance (in shares) at Dec. 31, 2019 | 1,112,000,000.0 | (419,900,000) | ||||||||||
| Balance at Dec. 31, 2019 | $ 2,780 | $ (36,424) | $ 4,523 | $ 48,605 | $ (1,356) | $ 18,128 | ||||||
| Net income | 0 | 0 | 0 | 5,349 | 0 | 5,349 | ||||||
| Other comprehensive income/(loss) | $ 0 | $ 0 | 0 | 0 | (237) | (237) | [2] | |||||
| Conversion, stock option exercises, forfeitures, ESPP, and other (in shares) | 200,000 | 1,100,000 | ||||||||||
| Conversion, stock option exercises, forfeitures, ESPP, and other | $ 1 | $ 19 | 31 | 0 | 0 | 51 | ||||||
| Share repurchase programs (Note 18) (in shares) | 0 | (22,100,000) | ||||||||||
| Share repurchase programs (Note 18) | $ 0 | $ (4,015) | 310 | 0 | 0 | (3,705) | ||||||
| Cash dividends declared | $ 0 | $ 0 | 0 | (2,628) | 0 | (2,628) | ||||||
| Balance (in shares) at Dec. 31, 2020 | 1,112,200,000 | (440,900,000) | ||||||||||
| Balance at Dec. 31, 2020 | $ 2,781 | $ (40,420) | 4,864 | 51,326 | (1,593) | 16,958 | ||||||
| Net income | 0 | 0 | 0 | 6,523 | 0 | 6,523 | ||||||
| Other comprehensive income/(loss) | $ 0 | $ 0 | 0 | 0 | 679 | 679 | [2] | |||||
| Conversion, stock option exercises, forfeitures, ESPP, and other (in shares) | 200,000 | 600,000 | ||||||||||
| Conversion, stock option exercises, forfeitures, ESPP, and other | $ 0 | $ 1 | 91 | 0 | 0 | $ 92 | ||||||
| Share repurchase programs (Note 18) (in shares) | 0 | (33,300,000) | (33,337,620) | |||||||||
| Share repurchase programs (Note 18) | $ 0 | $ (7,315) | 24 | 0 | 0 | $ (7,291) | ||||||
| Cash dividends declared | $ 0 | $ 0 | 0 | (2,800) | 0 | (2,800) | ||||||
| Balance (in shares) at Dec. 31, 2021 | 1,112,400,000 | (473,600,000) | ||||||||||
| Balance at Dec. 31, 2021 | $ 2,781 | $ (47,734) | 4,979 | 55,049 | (914) | 14,161 | ||||||
| Net income | 0 | 0 | 0 | 6,998 | 0 | 6,998 | ||||||
| Other comprehensive income/(loss) | $ 0 | $ 0 | 0 | 0 | 332 | 332 | [2] | |||||
| Conversion, stock option exercises, forfeitures, ESPP, and other (in shares) | 200,000 | 500,000 | ||||||||||
| Conversion, stock option exercises, forfeitures, ESPP, and other | $ 1 | $ 0 | 113 | 0 | 0 | $ 114 | ||||||
| Share repurchase programs (Note 18) (in shares) | 0 | (27,100,000) | (27,106,890) | |||||||||
| Share repurchase programs (Note 18) | $ 0 | $ (6,270) | (12) | 0 | 0 | $ (6,282) | ||||||
| Cash dividends declared | $ 0 | $ 0 | 0 | (3,160) | 0 | (3,160) | ||||||
| Balance (in shares) at Dec. 31, 2022 | 1,112,600,000 | (500,200,000) | ||||||||||
| Balance at Dec. 31, 2022 | $ 2,782 | $ (54,004) | $ 5,080 | $ 58,887 | $ (582) | $ 12,163 | ||||||
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| X | ||||||||||
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period including amount paid in excess. Recorded using the cost method. No definition available.
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| X | ||||||||||
- Definition Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
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| X | ||||||||||
- Definition Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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