Derivative Instruments and Hedging Activities (Outstanding Derivative Notionals and Terms by Type) (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Derivative, notional amount	$ 1,300,000,000
Libor and Euribor [Member] | Interest Rate Contract
Derivative [Line Items]
Derivative, notional amount	5,014,000,000
Unidad de Fomento (funds code) | Cross Currency Interest Rate Contract [Member]
Derivative [Line Items]
Derivative, notional amount	254,000,000
Argentina, Pesos | Foreign Exchange Contract [Member]
Derivative [Line Items]
Derivative, notional amount	12,000,000
Chilean Peso CLP [Member] | Foreign Exchange Contract [Member]
Derivative [Line Items]
Derivative, notional amount	366,000,000
Colombian Peso COP [Member] | Foreign Exchange Contract [Member]
Derivative [Line Items]
Derivative, notional amount	121,000,000
Brazil, Brazil Real | Foreign Exchange Contract [Member]
Derivative [Line Items]
Derivative, notional amount	5,000,000
Euro Member Countries, Euro | Foreign Exchange Contract [Member]
Derivative [Line Items]
Derivative, notional amount	87,000,000
Other Noncurrent Assets [Member]
Derivative [Line Items]
Derivative Asset, Noncurrent	148,000,000	$ 138,000,000
Other Noncurrent Liabilities [Member]
Derivative [Line Items]
Derivative Liability, Noncurrent	301,000,000	$ 443,000,000
Natural Gas and Natural Gas Liquids [Member]
Derivative [Line Items]
Commodity Contract Asset, Current	93,000,000
Energy [Domain]
Derivative [Line Items]
Commodity Contract Asset, Current	18,000,000
Coal [Member]
Derivative [Line Items]
Commodity Contract Asset, Current	$ 8,000,000