Subsequent Events (Details) - USD ($) |
12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
Jan. 29, 2019 |
Oct. 09, 2018 |
Jul. 18, 2018 |
Apr. 26, 2018 |
Jan. 23, 2018 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Subsequent Event [Line Items] | ||||||||
| Dividends declared per common share (in dollars per share) | $ 0.0121 | $ 0.011 | $ 0.011 | $ 0.011 | $ 0.0451 | $ 0.041 | $ 0.01 | |
| Common Stock | ||||||||
| Subsequent Event [Line Items] | ||||||||
| Stock repurchase program, aggregate authorized amount | $ 12,000,000,000 | |||||||
| Subsequent Event | ||||||||
| Subsequent Event [Line Items] | ||||||||
| Dividends declared per common share (in dollars per share) | $ 0.0121 | |||||||
| Subsequent Event | Common Stock | ||||||||
| Subsequent Event [Line Items] | ||||||||
| Stock repurchase program, additional authorized amount | $ 2,000,000,000 | |||||||
| Stock repurchase program, aggregate authorized amount | $ 14,000,000,000 | |||||||
| X | ||||||||||
- Definition Stock Repurchase Program, Additional Authorized Amount No definition available.
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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount of stock repurchase plan authorized. No definition available.
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| X | ||||||||||
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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