Earnings Per Share and Common Stock - Narrative (Details) - USD ($)	3 Months Ended						9 Months Ended		12 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Aug. 18, 2021
Earnings Per Share [Abstract]
Common stock outstanding (in shares)	412,000,000			414,000,000			412,000,000	414,000,000	412,000,000
Authorized repurchase amount										$ 1,500,000,000
Remaining authorized repurchase amount	$ 797,000,000						$ 797,000,000		$ 797,000,000
Decrease in average shares outstanding, basic (in shares)	3,000,000
Share repurchases (in shares)	506,800	2,246,294	576,629	2,764,846	1,770,271	5,147,307	3,329,723	9,682,424	5,000,000
Common stock, dividends declared (in usd per share)	$ 0.09			$ 0.06			$ 0.17	$ 0.10
Common stock, dividends per share, paid (in usd per share)	$ 0.04			$ 0.02			$ 0.12	$ 0.06
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of anti-dilutive securities (in shares)	0			0			0	0