Derivative Instruments and Hedging Activities - Part 1 (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Foreign Exchange Contract [Member]
Derivative Tables [Line Items]
Derivative Liability, Fair Value, Gross Liability	$ (23,000,000)		$ (43,000,000)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease)	(39,000,000)	$ 4,000,000
Interest Rate Contract [Member]
Derivative Tables [Line Items]
Derivative Liability, Fair Value, Gross Liability	(340,000,000)		(610,000,000)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease)	2,000,000	0
Interest Rate Contract [Member] | Libor and Euribor [Member]
Derivative Tables [Line Items]
Derivatives, notional amount	5,110,000,000
Cross currency derivatives [Member]
Derivative Tables [Line Items]
Derivative Liability, Fair Value, Gross Liability	(10,000,000)		(4,000,000)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease)	0	0
Commodity Contract [Member]
Derivative Tables [Line Items]
Derivative Liability, Fair Value, Gross Liability	(82,000,000)		(22,000,000)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease)	0	1,000,000
Derivative Liability, Fair Value, Gross Liability	(455,000,000)		$ (679,000,000)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Period Increase (Decrease)	(37,000,000)	$ 5,000,000
Natural Gas and Natural Gas Liquids [Member]
Derivative Tables [Line Items]
Commodity Contract Asset, Current	104,000,000
Energy [Domain]
Derivative Tables [Line Items]
Commodity Contract Asset, Current	7,000,000
Coal [Member]
Derivative Tables [Line Items]
Commodity Contract Asset, Current	8,000,000
Unidad de Fomento (funds code) | Cross currency derivatives [Member]
Derivative Tables [Line Items]
Derivatives, notional amount	260,000,000
Argentina, Pesos | Foreign Exchange Contract [Member]
Derivative Tables [Line Items]
Derivatives, notional amount	5,000,000
Chile, Pesos | Foreign Exchange Contract [Member]
Derivative Tables [Line Items]
Derivatives, notional amount	41,000,000
Colombia, Pesos | Foreign Exchange Contract [Member]
Derivative Tables [Line Items]
Derivatives, notional amount	137,000,000
Mexico, Pesos | Foreign Exchange Contract [Member]
Derivative Tables [Line Items]
Derivatives, notional amount	112,000,000
Euro Member Countries, Euro | Foreign Exchange Contract [Member]
Derivative Tables [Line Items]
Derivatives, notional amount	89,000,000
Other unspecified currency [Domain] | Foreign Exchange Contract [Member]
Derivative Tables [Line Items]
Derivatives, notional amount	$ 3,000,000