Debt - Schedule of Long-Term Debt, Net of Unamortized Discount and Debt Issuance Costs (Details) - USD ($)	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Long-term debt, net of an unamortized discount and debt issuance costs [Abstract]
Finance leases	$ 42,000,000		$ 43,000,000
Long-term debt	2,835,000,000		2,843,000,000
Less: Long-term debt due within one year	(27,000,000)		(27,000,000)
Debt issuance costs	(28,000,000)		(30,000,000)
Long-term debt, net	2,780,000,000		2,786,000,000
Term Loan Facility
Long-term debt, net of an unamortized discount and debt issuance costs [Abstract]
Original Principal	1,300,000,000
Long-term debt, gross	$ 899,000,000		898,000,000
Average effective interest rate	5.70%	5.30%
Basis spread on variable rate	2.50%
2022 Term Loan Facility
Long-term debt, net of an unamortized discount and debt issuance costs [Abstract]
Original Principal	$ 400,000,000
Long-term debt, gross	$ 389,000,000		390,000,000
Average effective interest rate	9.00%	8.40%
Basis spread on variable rate	3.25%
2023 Term Loan Facility
Long-term debt, net of an unamortized discount and debt issuance costs [Abstract]
Original Principal	$ 350,000,000
Long-term debt, gross	$ 346,000,000		$ 347,000,000
Average effective interest rate	9.20%
Basis spread on variable rate	3.50%
Senior Notes due 2029
Long-term debt, net of an unamortized discount and debt issuance costs [Abstract]
Original Principal	$ 1,075,000,000
Annual Interest Rate	4.625%		4.625%
Long-term debt, gross	$ 1,075,000,000		$ 1,075,000,000
Standard Bank Term Loan Facility
Long-term debt, net of an unamortized discount and debt issuance costs [Abstract]
Original Principal	98,000,000
Long-term debt, gross	$ 60,000,000		64,000,000
Average effective interest rate	10.60%	9.70%
Australian Government Loan
Long-term debt, net of an unamortized discount and debt issuance costs [Abstract]
Long-term debt, gross	$ 1,000,000		1,000,000
MGT Loan
Long-term debt, net of an unamortized discount and debt issuance costs [Abstract]
Original Principal	36,000,000
Long-term debt, gross	$ 23,000,000		$ 25,000,000
Average effective interest rate	6.00%	6.00%

Long-Term Debt, Net Of Unamortized Discount

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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- Definition

The average effective interest rate during the reporting period.

+ References

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

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- Definition

Amount of long-term debt and lease obligation, classified as noncurrent.

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- Definition

Amount of long-term debt and lease obligation, classified as current.

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- Definition

Amount of long-term debt and lease obligation, including portion classified as current.

+ References

No definition available.

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