GOODWILL AND INTANGIBLE ASSETS - Intangible Assets Other Than Goodwill and Trade Names (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Finite Lived Intangible Assets [Line Items]
Intangible assets, net of accumulated amortization	$ 3,011	$ 3,070
Backlog
Finite Lived Intangible Assets [Line Items]
Intangible assets, accumulated amortization	342	309
Intangible assets, net of accumulated amortization	1,096	1,114
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Intangible assets, accumulated amortization	345	331
Intangible assets, net of accumulated amortization	963	979
Acquired Technology
Finite Lived Intangible Assets [Line Items]
Intangible assets, accumulated amortization	360	334
Intangible assets, net of accumulated amortization	$ 952	$ 977