Other Current Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Other Assets [Abstract]
Derivative Asset	$ 2,934	$ 1,646
Margin Deposit Assets	1,112	600
Receivables from Customers	1,539	1,179
Financing Receivable, after Allowance for Credit Loss	233	189
Premiums Receivable, Net	26	20
Prepaid Expense, Current	377	370
Biodiesel tax credit	70	79
Tax receivables	764	708
Other Receivables	421	285
Other current assets	241	82
Total other current assets	7,717	5,158
Financing Receivable, Allowance for Credit Loss	5	4
Interest on financing receivables	4
Reinsurance Recoverables	$ 27	$ 27