Stock Repurchase Program, Increase (Decrease) in Authorized Amount

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.

+ References

No definition available.

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- Definition

The cash outflow to reacquire common stock during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Equity (Narrative) (Details) - USD ($) shares in Millions	3 Months Ended
Equity (Narrative) (Details) - USD ($) shares in Millions	Mar. 31, 2021	Mar. 31, 2020	May 04, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Cost of Treasury Stock Acquired	$ 359,000,000	$ 485,000,000
Subsequent Event
Class of Stock [Line Items]
Amount of Stock Repurchases Authorized by the Board of Directors			$ 2,000,000,000.0
Stock Repurchase Program, Increase (Decrease) in Authorized Amount			500,000,000
Under February 2021 Board Of Directors Authorization
Class of Stock [Line Items]
Amount of Stock Repurchases Authorized by the Board of Directors				$ 1,500,000,000
Under February 2021 Board Of Directors Authorization \| Subsequent Event
Class of Stock [Line Items]
Amount of Stock Repurchases Authorized by the Board of Directors			2,000,000,000.0
Stock Repurchase Program, Increase (Decrease) in Authorized Amount			$ 500,000,000
Under February 2021 Board Of Directors Authorization \| Common Stock
Class of Stock [Line Items]
Number of Treasury Stock Shares Acquired	4.3
Cost of Treasury Stock Acquired	$ 375,000,000