Notional Amounts (Details) $ in Millions	Jun. 30, 2022 USD ($) Boe MWh	Dec. 31, 2021 USD ($) MWh Boe
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 3,000	$ 3,000
Interest Rate Swap [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	3	36
Foreign Exchange Contract [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	5,173	5,300
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 14,393	$ 8,234
Commodity Contract Hydrocarbons | Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Nonmonetary Notional Amount | Boe	17,300,000	9,700,000
Commodity Contract Hydrocarbons | Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Nonmonetary Notional Amount | Boe	0	100,000
Commodity Contract Power | Not Designated as Hedging Instrument [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Nonmonetary Notional Amount | MWh	10,300	3,300