Stock Repurchase Program, Additional Authorized Amount

No definition available.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
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- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

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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Stockholders' Equity (Deficit) - Repurchase of Common Stock (Detail) - USD ($)	1 Months Ended	12 Months Ended
	Feb. 28, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	May 02, 2018	Nov. 30, 2017	Mar. 31, 2017	Dec. 31, 2015	Jul. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Treasury stock value		$ 571,700,000	$ 1,302,100,000	$ 217,000,000
Common stock in treasury, shares		75,964,667	61,485,423	34,156,355				29,612,337
July 2015 Repurchase Program
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Stock repurchase program, authorized amount									$ 1,500,000,000.0
Stock repurchase program, additional authorized amount					$ 1,000,000,000.0		$ 1,500,000,000.0
Number of common stock shares repurchased (in shares)		14,898,454
Treasury stock value		$ 651,400,000
Common stock repurchase (price per share)		$ 43.72
Common Stock Repurchase Set Two \| Share Trading Plan
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Number of common stock shares repurchased (in shares)			27,320,816
Treasury stock value			$ 1,200,000,000
Common stock repurchase (price per share)			$ 45.44
Common Stock Repurchase Set One \| Share Trading Plan
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Number of common stock shares repurchased (in shares)		13,678,818
Treasury stock value		$ 571,400,000
Common stock repurchase (price per share)		$ 41.77
Accelerated Share Repurchase Agreement
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Stock repurchase program, authorized amount			$ 400,000,000.0			$ 400,000,000.0
Treasury stock value			$ 320,000,000
Common stock repurchase (price per share)	$ 48.14
Common stock in treasury, shares	8,308,692		7,089,056