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.

No definition available.

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- Definition

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

+ References

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

+ Details

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- Definition

Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

+ 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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Balance Type:	credit
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Capital Transactions - Dividends (Details) - USD ($) $ / shares in Units, $ in Millions								12 Months Ended
	Feb. 04, 2021	May 06, 2020	Feb. 06, 2020	May 09, 2019	Feb. 12, 2019	May 09, 2018	Feb. 08, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Class of Stock [Line Items]
Dividends per common share (in dollars per share)			$ 0.41		$ 0.37		$ 0.34	$ 0.41	$ 0.37	$ 0.34
Cash dividend payment		$ 316		$ 283		$ 259		$ 316	$ 283	$ 259
Subsequent Events
Class of Stock [Line Items]
Dividends per common share (in dollars per share)	$ 0.47