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Share-Based Compensation - Additional Information (Details)			1 Months Ended	12 Months Ended
	Dec. 22, 2021	Nov. 01, 2017 USD ($) agreement $ / shares	Feb. 28, 2019 USD ($)	Dec. 31, 2021 USD ($) plan shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares or units available for future grants (in shares) | shares				6,800,000
Amount of payout				$ 30,000,000	$ 8,000,000	$ 23,000,000
Total tax benefit recognized during the year related to compensation expense				12,000,000	1,000,000	4,000,000
Liability for cash settled nonvested awards and associated dividend and distribution equivalent rights				$ 23,000,000	5,000,000
Number of defined-contribution 401(k) plans | plan				2
Matching contribution, percent				100.00%
Percent of eligible compensation contributed by participants				6.00%
Vesting period				3 years
Matching contributions made by the company				$ 0	$ 10,000,000	$ 9,000,000
Share-Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares right to receive cash payment on vesting equal to fair market value is received per award (in shares) | shares				1
Vesting period				3 years
Share-Based Awards | Vesting Year One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage				33.33%
Share-Based Awards | Vesting Year Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage				33.33%
Share-Based Awards | Vesting Year Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage				33.33%
Performance Awards | 2018 CEO Performance Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of performance award agreements entered into | agreement		2
Target value of awards granted							$ 1,500,000
Amount of payout			$ 1,900,000
Maximum cash payment		$ 10,000,000
Period for determination of cash payment value	30 days	30 days
Maximum price per share to trigger maximum cash payment (in dollars per share) | $ / shares		$ 60

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