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Equity and Comprehensive Income Equity and Comprehensive Income - Additional Information - Stock Repurchase Programs (Details) $ in Millions | May 07, 2017 USD ($)
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Equity [Abstract] |
Stock repurchase program, remaining authorized repurchase amount | $ 2,989

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant