Share Repurchase Program (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
|
| Equity [Abstract] | ||
| Stock Repurchase Program, Period in Force | 3 years | |
| Stock Repurchase Program, Authorized Amount | $ 1,000 | |
| Treasury Stock, Shares, Acquired | 2.9 | |
| Payments for Repurchase of Common Stock | $ 155 | $ 0 |
| Treasury Stock Acquired, Average Cost Per Share | $ 53.88 | |
| Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ 596 | |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The cash outflow to reacquire common stock during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of stock repurchase plan authorized. No definition available.
|
| X | ||||||||||
- Definition Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
|
| X | ||||||||||
- Definition Amount remaining of a stock repurchase plan authorized. No definition available.
|
| X | ||||||||||
- Definition Total cost of shares repurchased divided by the total number of shares repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| 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
|