Shareholders' Equity - Common Stock Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Oct. 21, 2020 |
Jul. 22, 2020 |
Apr. 22, 2020 |
Jan. 29, 2020 |
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
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| Common Stock | ||||||||
| Common stock repurchased | $ 114 | $ 7,626 | $ 6,762 | $ 20,396 | ||||
| Dividends per share (in dollars per share) | $ 0.18 | $ 0.18 | $ 0.18 | |||||
| Common Stock | ||||||||
| Common Stock | ||||||||
| Common stock repurchased (in shares) | 4 | 216 | ||||||
| Common stock repurchased | $ 114 | $ 6,800 | ||||||
| Stock issued (in shares) | 66 | |||||||
| Shares paid for tax withholding for share based compensation (in shares) | 26 | |||||||
| Share-based compensation, number of shares authorized (in shares) | 513 | 513 | ||||||
| Subsequent Event | ||||||||
| Common Stock | ||||||||
| Dividends per share (in dollars per share) | $ 0.18 | |||||||
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- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement. No definition available.
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- 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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- Definition Number of shares that have been repurchased and retired during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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