Preferred and Common Stock - Narrative (Details) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended											12 Months Ended
	Jun. 30, 2020 USD ($)	Dec. 31, 2023 USD ($) $ / 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, 2021 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) $ / shares	Jun. 30, 2021 USD ($)	Dec. 31, 2023 USD ($) class $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares
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		409,914,461											409,914,461
Common stock outstanding (in shares) | shares		409,914,461				412,000,000				422,000,000			409,914,461	412,000,000	422,000,000
Common (in usd per share) | $ / shares													$ 0.17	$ 0.10	$ 0.04
Dividends paid per share (in usd per share) | $ / shares		$ 0.05	$ 0.04	$ 0.04	$ 0.04	$ 0.04	$ 0.02	$ 0.02	$ 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		26,000,000											26,000,000
Total value of shares repurchased		$ 100	$ 25	$ 100	$ 25	$ 65	$ 100	$ 60	$ 175	$ 205	$ 25	$ 200	$ 250	$ 400	$ 430
Stock repurchase program, remaining repurchase amount		697											697
Excise tax on net repurchases													1
Stock-based Compensation
Stock-based compensation	$ 12												50	54	40
Stock based compensation expense, after tax													$ 44	$ 49	$ 36
Average risk-free interest rate. percentage													4.40%	2.00%	0.20%
Number of options, outstanding weighted average remaining contractual life													1 year 8 months 12 days
Total intrinsic value of options outstanding		15											$ 15
Proceeds from exercise of employee stock options													11	$ 16	$ 22
Total tax benefit realized from these exercises													2	2	2
Total intrinsic value of options exercised													9	10	10
Total intrinsic value of options exercised converted													$ 187	61	55
Restructuring and Other Charges
Stock-based Compensation
Stock-based compensation															(2)
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		$ 24											$ 24
Unrecognized compensation costs on non-vested awards, weighted average period of recognition in years													1 year 6 months
Share-based compensation arrangement by share-based payment award, options, grants in period, weighted average grant date fair value (in usd per share) | $ / shares													$ 47.59	$ 44.44	$ 43.41
Volatility, percentage													39.00%	39.40%	56.00%
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