Capital Stock Share Repurchase Program (Details) - USD ($) shares in Millions, $ in Millions |
3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2018 |
Jun. 30, 2019 |
Jun. 24, 2018 |
Jul. 26, 2018 |
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| Equity, Class of Treasury Stock [Line Items] | ||||
| Authorized amount | $ 30,000 | |||
| Payments for stock repurchases | $ 1,088 | $ 1,425 | ||
| Stock repurchases and retired during the period, shares | 17.7 | 24.2 | ||
| Stock repurchased and retired during period, value | $ 1,100 | $ 1,400 | ||
| Stock repurchase program, accounting treatment | To reflect share repurchases in the consolidated balance sheet, we (i) reduce common stock for the par value of the shares, (ii) reduce paid-in capital for the amount in excess of par to zero during the quarter in which the shares are repurchased and (iii) record the residual amount to retained earnings, if any | |||
| Accelerated Share Repurchase Program [Member] | ||||
| Equity, Class of Treasury Stock [Line Items] | ||||
| Payments for stock repurchases | $ 16,000 | |||
| Stock repurchases and retired during the period, shares | 178.4 | |||
| $30B stock repurchase program announced July 26, 2018 [Member] | ||||
| Equity, Class of Treasury Stock [Line Items] | ||||
| Remaining authorized amount | $ 7,800 | |||
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The cash outflow to reacquire common stock during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of stock repurchase plan authorized. No definition available.
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- Definition Amount remaining of a stock repurchase plan authorized. No definition available.
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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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- Definition Description of share repurchase program, including accounting treatment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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