ACQUISITIONS - Preliminary Fair Value on Date of Acquisition (Details) - USD ($) $ in Millions	Sep. 30, 2021	Aug. 17, 2021	Dec. 31, 2020
Preliminary fair values of assets acquired and liabilities assumed at the date of the acquisition
Goodwill	$ 10,806		$ 4,447
KAH
Preliminary fair values of assets acquired and liabilities assumed at the date of the acquisition
Cash and cash equivalents		$ 278
Receivables		424
Other current assets		63
Property and equipment		74
Goodwill		5,778
Other intangible assets		2,325
Other long-term assets		172
Total assets acquired		9,114
Current liabilities		452
Long term debt		2,078
Other long-term liabilities		392
Total liabilities assumed		2,922
Non-controlling interests		22
Net assets acquired		$ 6,170