ACQUISITIONS - Summary of Fair Value of Nordco Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Assets acquired
Goodwill	$ 8,587		$ 8,485	$ 8,361
Nordco
Assets acquired
Cash and cash equivalents		$ 5
Accounts receivable		23
Inventories		34
Other current assets		2
Property, plant, and equipment		17
Goodwill		214
Other intangible assets		168
Other noncurrent assets		12
Total assets acquired		475
Liabilities assumed
Current liabilities		19
Noncurrent liabilities		46
Total liabilities assumed		65
Net assets acquired		$ 410