The cash outflow associated with tax withholding obligations upon release of vested restricted stock units.

No definition available.

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- Definition

Treasury Stock, Shares, Acquired, as Percentage of Shares Pursuant to Accelerated Share Repurchase Agreement

+ References

No definition available.

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- Definition

The amount needed to adjust previously recorded stockholders' equity balances to the actual aggregate amounts paid, whether in cash or other consideration, to acquire all of the shares purchased under an Accelerated Share Repurchase arrangement.

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No definition available.

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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.

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No definition available.

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For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

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No definition available.

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- Definition

Amount of stock repurchase plan authorized.

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No definition available.

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Amount remaining of a stock repurchase plan authorized.

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No definition available.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Treasury Stock (Details) - USD ($)	1 Months Ended				3 Months Ended		9 Months Ended
Treasury Stock (Details) - USD ($)	Apr. 30, 2018	Feb. 28, 2018	Jan. 31, 2018	Nov. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Oct. 31, 2018
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount					$ 9,250,000,000		$ 9,250,000,000
Available to repurchase common stock					397,900,000		397,900,000
Accelerated stock repurchase program				$ 750,000,000
Amount expended on share repurchases in open market transactions					$ 116,175,000	$ 74,956,000	$ 881,154,000	$ 574,957,000
Number of shares withheld to satisfy minimum tax withholding obligations					32,813	135,003	570,589	870,656
Payment for tax withholding related to vested stock units					$ 3,700,000	$ 10,600,000	$ 53,600,000	$ 71,200,000
Open Market Purchases [Member]
Equity, Class of Treasury Stock [Line Items]
Amount expended on share repurchases in open market transactions					$ 116,200,000	$ 75,000,000	$ 131,200,000	$ 575,000,000
Number of shares repurchased					1,045,618	984,869	1,185,818	7,400,000
Average per share price on share repurchases in open market transactions (in dollars per share)					$ 111.11	$ 76.11	$ 110.60	$ 77.86
ASR Counterparty [Member]
Equity, Class of Treasury Stock [Line Items]
Amount expended on share repurchases in open market transactions		$ 750,000,000		$ 750,000,000
Number of shares repurchased	1,600,000	6,500,000	1,400,000	7,100,000
Shares repurchased as percentage of shares pursuant to accelerated share repurchase agreement (percent)				80.00%
Subsequent Event [Member]
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount									$ 750,000,000.0