Accrued Expenses And Other Payables (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Unrealized losses on derivative contracts	$ 2,584	$ 742
Employee-related Liabilities	396	300
Accrued Income Taxes, Current	41	72
Accrual for Taxes Other than Income Taxes, Current	127	120
Biodiesel tax credit payable	5	332
Liability for Claims and Claims Adjustment Expense	238	284
Contract with Customer, Liability, Current	626	604
Other accruals and payables	926	1,088
Total accrued expenses and other payables	$ 4,943	$ 3,542