Accrued Expenses And Other Payables (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Accrued Liabilities and Other Liabilities [Abstract]
Derivative Liability	$ 1,881	$ 2,584
Employee-related Liabilities	421	396
Accrued Income Taxes, Current	132	41
Accrual for Taxes Other than Income Taxes, Current	154	127
Liability for Claims and Claims Adjustment Expense	207	238
Contract with Customer, Liability	374	626
Accrued expenses and other payables	952	931
Total accrued expenses and other payables	$ 4,121	$ 4,943