v3.25.4

Debt - Schedule of Debt (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2015
Debt Instrument [Line Items]
Total debt, principal balance	$ 3,407	$ 3,493
Short-term borrowings and current maturities of long-term debt, principal balance	60	62
Total long-term debt, principal balance	3,347	3,431
Long-term debt, carrying value	3,253	3,325
Carrying Value
Debt Instrument [Line Items]
Long-term debt, carrying value	3,253	3,325
Total debt, carrying value	3,313	3,387
Short-term debt and current maturities of long-term debt, carrying value	60	62
Term loan facility
Debt Instrument [Line Items]
Long-term debt, principal balance	985	1,100
Term loan facility | Carrying Value
Debt Instrument [Line Items]
Long-term debt, carrying value	$ 978	1,089
6.25% senior secured notes due 2028
Debt Instrument [Line Items]
Interest rate, stated percentage	6.25%
Long-term debt, principal balance	$ 830	830
6.25% senior secured notes due 2028 | Carrying Value
Debt Instrument [Line Items]
Long-term debt, carrying value	$ 825	823
7.125% senior notes due 2031
Debt Instrument [Line Items]
Interest rate, stated percentage	7.125%
Long-term debt, principal balance	$ 450	450
7.125% senior notes due 2031 | Carrying Value
Debt Instrument [Line Items]
Long-term debt, carrying value	$ 446	445
7.125% senior notes due 2032
Debt Instrument [Line Items]
Interest rate, stated percentage	7.125%
Long-term debt, principal balance	$ 585	585
7.125% senior notes due 2032 | Carrying Value
Debt Instrument [Line Items]
Long-term debt, carrying value	$ 577	576
6.70% senior debentures due 2034
Debt Instrument [Line Items]
Interest rate, stated percentage	6.70%		6.70%
Long-term debt, principal balance	$ 300	300
6.70% senior debentures due 2034 | Carrying Value
Debt Instrument [Line Items]
Long-term debt, carrying value	230	225
Finance leases, asset financing and other
Debt Instrument [Line Items]
Finance leases, asset financing and other	257	228
Finance leases, asset financing and other | Carrying Value
Debt Instrument [Line Items]
Finance leases, asset financing and other	$ 257	$ 228

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