Employee Benefit Plans - Pension Plan Assets at Fair Value (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	$ 2	$ 2	$ 8
Recurring
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	50	48
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	0	0
Recurring | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	48	46
Recurring | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	2	2
Recurring | Money market funds
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	2
Recurring | Money market funds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	0
Recurring | Money market funds | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	2
Recurring | Money market funds | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	0
Recurring | Equity funds
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	18	17
Recurring | Equity funds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	0	0
Recurring | Equity funds | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	18	17
Recurring | Equity funds | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	0	0
Recurring | Bond/fixed-income funds
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	27	26
Recurring | Bond/fixed-income funds | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	0	0
Recurring | Bond/fixed-income funds | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	27	26
Recurring | Bond/fixed-income funds | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	0	0
Recurring | Real estate indirect investments
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	1	3
Recurring | Real estate indirect investments | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	0	0
Recurring | Real estate indirect investments | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	1	3
Recurring | Real estate indirect investments | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	0	0
Recurring | Insurance contracts
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	2	2
Recurring | Insurance contracts | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	0	0
Recurring | Insurance contracts | Significant Other Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	0	0
Recurring | Insurance contracts | Significant Unobservable Inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	$ 2	$ 2