Dividends (Details) - USD ($) $ / shares in Units, $ in Millions								12 Months Ended
Aug. 18, 2022	May 19, 2022	Feb. 24, 2022	Nov. 18, 2021	Aug. 19, 2021	May 20, 2021	Feb. 25, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Dividends, Common Stock [Abstract]
Dividend per share (in dollars per share)	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.75	$ 1.00	$ 1.00
Total amount declared	$ 253	$ 253	$ 253	$ 251	$ 264	$ 272	$ 276

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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 https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration