SUPPLEMENTAL FINANCIAL INFORMATION Other Non-Current Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Income taxes payable	$ 5,015	$ 5,017
Pension and postretirement	838	899
Operating leases	827	833
Deferred Income	340	357
Deferred compensation	396	344
Other	276	326
Other non-current liabilities	$ 7,692	$ 7,776

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.

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