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Derivative Instruments and Hedging Activities - Part 1 (Details) € in Millions, $ in Millions, $ in Millions, $ in Millions	Sep. 30, 2025 USD ($)	Sep. 30, 2025 COP ($)	Sep. 30, 2025 EUR (€)	Sep. 30, 2025 CLP ($)	Sep. 30, 2025 MXN ($)	Dec. 31, 2024 USD ($)
Derivative Tables [Line Items]
Derivative Liability, Fair Value, Gross Liability	$ (374,000,000)					$ (288,000,000)
Natural Gas and Natural Gas Liquids [Member]
Derivative Tables [Line Items]
Commodity Contract Asset, Current	200,000,000
Energy [Domain]
Derivative Tables [Line Items]
Commodity Contract Asset, Current	62,000,000
Coal [Member]
Derivative Tables [Line Items]
Commodity Contract Asset, Current	8,000,000
Interest Rate Contract [Member]
Derivative Tables [Line Items]
Derivative Liability, Fair Value, Gross Liability	(84,000,000)					(15,000,000)
Interest Rate Contract [Member] \| Libor and Euribor [Member]
Derivative Tables [Line Items]
Derivatives, notional amount	10,942,000,000
Foreign Exchange Contract [Member]
Derivative Tables [Line Items]
Derivative Liability, Fair Value, Gross Liability	(32,000,000)					(18,000,000)
Derivatives, notional amount		$ 224	€ 176	$ 151	$ 78
Commodity Contract [Member]
Derivative Tables [Line Items]
Derivative Liability, Fair Value, Gross Liability	$ (258,000,000)					$ (255,000,000)