Fair Value Measurements - Schedule of Assets and Liabilities Measured On a Non-Recurring Basis (Details) - Nonrecurring basis - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Properties, plant and equipment, net (held and used)	$ 6	$ 324
Properties, plant and equipment, net (held for sale)	0	616
Investments and advances	47	36
Total assets at fair value	53	976
Properties, plant and equipment, net (held and used), before-tax loss	133	226
Properties, plant and equipment, net (held for sale), before-tax loss	0	274
Investments and advances, before-tax loss	35	289
Total nonrecurring assets at fair value, before-tax loss	168	789
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Properties, plant and equipment, net (held and used)	0	0
Properties, plant and equipment, net (held for sale)	0	0
Investments and advances	0	0
Total assets at fair value	0	0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Properties, plant and equipment, net (held and used)	0	0
Properties, plant and equipment, net (held for sale)	0	616
Investments and advances	44	36
Total assets at fair value	44	652
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Properties, plant and equipment, net (held and used)	6	324
Properties, plant and equipment, net (held for sale)	0	0
Investments and advances	3	0
Total assets at fair value	$ 9	$ 324