Equity Based Compensation (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2024	Mar. 12, 2019
AM LTIP
Additional disclosures
Number of stock-based compensation awards authorized			15,398,901
Number of shares available for future grant under the Plan	2,281,818	2,281,818
RSUs
Number of units
Total awarded and unvested at the beginning of the period (in shares)		5,877,170
Granted (in shares)		2,459,643
Vested (in shares)		(1,011,669)
Forfeited (in shares)		(3,094)
Total awarded and unvested at the end of the period (in shares)	7,322,050	7,322,050
Weighted average grant date fair value
Total awarded and unvested at the beginning of the period (in dollars per unit)		$ 10.28
Granted (in dollars per unit)		13.44
Vested (in dollars per unit)		10.59
Forfeited (in dollars per unit)		10.56
Total awarded and unvested at the end of the period (in dollars per unit)	$ 11.30	$ 11.30
Additional disclosures
Unamortized expense	$ 67	$ 67
Weighted average period for recognizing unrecognized stock-based compensation expense		2 years 2 months 12 days
ROIC PSUs
Number of units
Total awarded and unvested at the beginning of the period (in shares)		952,101
Granted (in shares)		350,237
Total awarded and unvested at the end of the period (in shares)	1,302,338	1,302,338
Weighted average grant date fair value
Total awarded and unvested at the beginning of the period (in dollars per unit)		$ 10.90
Granted (in dollars per unit)		13.44
Total awarded and unvested at the end of the period (in dollars per unit)	$ 11.59	$ 11.59
Additional disclosures
Unamortized expense	$ 20	$ 20
Weighted average period for recognizing unrecognized stock-based compensation expense		2 years 2 months 12 days
2024 ROIC PSUs
Additional disclosures
Vesting period	3 years
2024 ROIC PSUs | Minimum
Additional disclosures
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned	0.00%
2024 ROIC PSUs | Maximum
Additional disclosures
Percentage of target number of ROIC PSUs originally granted that may ultimately be earned	200.00%