Employment Benefit Plans Other Details (Details) number in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Defined Contribution Plan Disclosure [Line Items]
401(k) matching expense	$ 66	$ 66	$ 58
Multi-employer benefit plans, employer contribution cost	$ 20	26	31
Average number of employees covered under multi-employer benefit plans	31
Retiree Health and Welfare Benefits
Defined Contribution Plan Disclosure [Line Items]
Projected Benefit Obligation	$ 139	150
Service cost	$ 1	$ 1	$ 1