SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) - Allowance for Doubtful Accounts - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowances for Doubtful Accounts and Product Returns
Balance at beginning of period	$ 460	$ 384	$ 314
Provisions/charges to income	145	187	137
Amounts charged off and other deductions	(86)	(111)	(68)
Total	$ 519	$ 460	$ 384