Preferred and Common Stock - Narrative (Details) $ / shares in Units, $ in Millions	1 Months Ended		3 Months Ended												12 Months Ended
	Jan. 31, 2025 USD ($) $ / shares shares	Jun. 30, 2020 USD ($)	Dec. 31, 2024 USD ($) $ / shares shares	Sep. 30, 2024 USD ($) $ / shares	Jun. 30, 2024 USD ($) $ / shares	Mar. 31, 2024 USD ($) $ / shares	Dec. 31, 2023 USD ($) $ / shares shares	Sep. 30, 2023 USD ($) $ / shares	Jun. 30, 2023 USD ($) $ / shares	Mar. 31, 2023 USD ($) $ / shares	Dec. 31, 2022 USD ($) $ / shares shares	Sep. 30, 2022 USD ($) $ / shares	Jun. 30, 2022 USD ($) $ / shares	Mar. 31, 2022 USD ($) $ / shares	Dec. 31, 2024 USD ($) class $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Jul. 30, 2024 USD ($)	Aug. 18, 2021 USD ($)
Preferred Stock
Preferred stock, number of classes | class															2
Common Stock
Common stock, shares authorized (in shares) | shares			600,000,000												600,000,000
Common Stock, Par or Stated Value Per Share | $ / shares			$ 1												$ 1
Common stock issued (in shares) | shares			405,431,361												405,431,361
Common stock outstanding (in shares) | shares			405,431,361				410,000,000				412,000,000				405,431,361	410,000,000	412,000,000
Common (in usd per share) | $ / shares															$ 0.26	$ 0.17	$ 0.10
Dividends paid per share (in usd per share) | $ / shares			$ 0.08	$ 0.08	$ 0.05	$ 0.05	$ 0.05	$ 0.04	$ 0.04	$ 0.04	$ 40,000.00	$ 0.02	$ 0.02	$ 0.02
Number of shares available for issuance (in shares) | shares			47,000,000												47,000,000
Common stock reserved for future issuance (in shares) | shares			24,000,000												24,000,000
Total value of shares repurchased			$ 190	$ 100	$ 60	$ 150	$ 100	$ 25	$ 100	$ 25	$ 65	$ 100	$ 60	$ 175	$ 500	$ 250	$ 400
Average price per share (in usd per share) | $ / shares			$ 109.75	$ 94.22	$ 81.66	$ 66.87	$ 52.52	$ 49.32	$ 44.52	$ 43.36	$ 38.83	$ 36.17	$ 33.89	$ 34.00	$ 86.65	$ 47.76	$ 35.22
Stock repurchase program, remaining repurchase amount			$ 2,147												$ 2,147
Stock repurchase program, authorized amount																		$ 2,000	$ 1,500
Excise tax on net repurchases															4	$ 1
Stock-based Compensation
Stock-based compensation		$ 12													63	50	$ 54
Stock based compensation expense, after tax															$ 57	$ 44	$ 49
Average risk-free interest rate. percentage															4.40%	4.40%	2.00%
Number of options, outstanding weighted average remaining contractual life															2 years 1 month 6 days
Total intrinsic value of options outstanding			13												$ 13
Proceeds from exercise of employee stock options															8	$ 11	$ 16
Total tax benefit realized from these exercises															3	2	2
Total intrinsic value of options exercised															16	9	10
Total intrinsic value of options exercised converted															$ 117	187	61
Subsequent Event
Common Stock
Total value of shares repurchased	$ 50
Average price per share (in usd per share) | $ / shares	$ 116,390,000
Value of shares repurchased | shares	400,000
Employee stock option
Stock-based Compensation
Stock options granted, vesting period															3 years
Share-based compensation arrangement by share-based payment award, expiration period															10 years
Stock options granted, contractual term															6 months
Employee stock option | Share-based Compensation Award, Tranche One
Stock-based Compensation
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage															33.33%
Employee stock option | Share-based Compensation Award, Tranche Two
Stock-based Compensation
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage															33.33%
Employee stock option | Share-based Compensation Award, Tranche Three
Stock-based Compensation
Share-based compensation arrangement by share-based payment award, award vesting rights, percentage															33.33%
Restricted Stock Units (RSUs)
Stock-based Compensation
Stock options granted, contractual term															3 years
Stock-based compensation capitalized															$ 0	$ 0	$ 0
Stock-based compensation expense capitalized			$ 28												$ 28
Unrecognized compensation costs on non-vested awards, weighted average period of recognition in years															1 year 7 months 6 days
Share-based compensation arrangement by share-based payment award, options, grants in period, weighted average grant date fair value (in usd per share) | $ / shares															$ 72.65	$ 47.59	$ 44.44
Volatility, percentage															27.70%	39.00%	39.40%
Preferred Class A
Preferred Stock
Preferred stock dividend declared (usd per share) | $ / shares															$ 3.75	$ 3.75	$ 3.75
Number of shares of preferred stock authorized (in shares) | shares			660,000												660,000
Preferred stock par value (usd per share) | $ / shares			$ 100												$ 100
Preferred stock, shares outstanding (in shares) | shares			546,024				546,024								546,024	546,024
Preferred Class B
Preferred Stock
Number of shares of preferred stock authorized (in shares) | shares			10,000,000												10,000,000
Preferred stock par value (usd per share) | $ / shares			$ 1												$ 1
Preferred stock, shares outstanding (in shares) | shares			0				0								0	0