Derivative Instruments and Hedging Activities (Fair Value Of Derivatives Not Designated As Hedging Instruments) (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Not Designated As Hedging Instrument [Member]
Derivative [Line Items]
FX Contracts Assets	$ 133	$ 187
Commodity Contracts Assets	1,121	1,343
Interest Rate Derivative Assets, at Fair Value	0	0
Total fair value of derivative assets not designated as hedging instruments	1,254	1,530
FX Contracts Liabilities	158	122
Interest Rate Derivative Liabilities, at Fair Value	0	0
Commodity Contracts Liabilities	912	957
Total fair value of derivative liabilities not designated as hedging instruments.	1,070	1,079
Designated As Hedging Instrument [Member]
Derivative [Line Items]
Interest Rate Derivative Assets, at Fair Value	5	0
Interest Rate Derivative Liabilities, at Fair Value	$ 0	$ 0

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair value as of the balance sheet date of all foreign currency derivative assets not designated as hedging instruments.

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Fair value as of the balance sheet date of all foreign currency derivative liabilities not designated as hedging instruments.

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Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

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Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

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Fair value as of the balance sheet date of all price risk derivative assets not designated as hedging instruments.

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Fair value as of the balance sheet date of all price risk derivative liabilities not designated as hedging instruments.

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