REVENUE RECOGNITION - Reconciliation of Contract Balances (Details) - USD ($) $ in Millions		3 Months Ended
		Jun. 30, 2022	Mar. 31, 2022
Reconciliation of Contract Balances
Accounts receivable (net of allowances of $34 at June 30, 2022 and $44 at March 31, 2022)		$ 1,902	$ 2,271
Contract assets	[1]	31	41
Deferred income (current)		774	882
Deferred income (noncurrent)		413	452
Unbilled receivable		446	$ 473
Revenue recognized that was included in deferred income at the beginning of the period		$ 246

[1] Included within prepaid expenses and other current assets in the Consolidated Balance Sheet.