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Earnings Per Share and Certain Related Information - Narrative (Details) - USD ($)	Jan. 27, 2021	Sep. 17, 2020	Jul. 09, 2020	May 05, 2020	Jan. 16, 2020	Sep. 19, 2019	Jan. 01, 2021	Jan. 17, 2019
Class of Stock [Line Items]
Dividend declared (in dollars per share)		$ 0.19	$ 0.19	$ 0.19	$ 0.19	$ 0.17
Subsequent Event
Class of Stock [Line Items]
Dividend declared (in dollars per share)	$ 0.21
2019 Stock Repurchase Program
Class of Stock [Line Items]
Amount authorized to be repurchased								$ 1,000,000,000.0
Remaining authorized repurchase amount							$ 33,100,000
2020 Stock Repurchase Program
Class of Stock [Line Items]
Amount authorized to be repurchased					$ 1,000,000,000.0
Remaining authorized repurchase amount							$ 1,000,000,000.0

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Reference 1: 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

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Amount remaining of a stock repurchase plan authorized.

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