REVENUE RECOGNITION - Deferred Costs (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2023	Dec. 31, 2021	Dec. 31, 2020
Deferred Contract Costs
Deferred costs	$ 2,387		$ 2,236	$ 2,185
Deferred costs, current	1,143		1,070	920
Deferred costs, noncurrent	1,244		1,166	1,265
Total deferred costs amortized	455		1,700	1,800
Amortization of deferred costs	136	$ 160	472	563	$ 683
Deferred transition costs
Deferred Contract Costs
Deferred costs	961		856	1,012
Total deferred costs amortized	112		342	403
Prepaid software costs
Deferred Contract Costs
Deferred costs	806		782	658
Total deferred costs amortized	207		857	874
Capitalized costs to fulfill contracts
Deferred Contract Costs
Deferred costs	302		285	235
Capitalized costs to obtain contracts
Deferred Contract Costs
Deferred costs	$ 318		$ 313	$ 282
Minimum
Deferred Contract Costs
Term of contract with customer			3 years
Maximum
Deferred Contract Costs
Term of contract with customer			6 years