SUPPLEMENTAL FINANCIAL INFORMATION Other Non-Current Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Income taxes payable	$ 4,768	$ 5,017
Pension and postretirement	821	899
Operating leases	929	833
Deferred Income	340	357
Deferred compensation	409	344
Other	249	326
Other non-current liabilities	$ 7,516	$ 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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