For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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NATURE OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition, Narrative (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Deferred revenue	$ 230		$ 235
Deferred revenue, noncurrent	$ 159		164
Deferred revenue, revenue recognized			$ 29	$ 17
Customer Concentration Risk \| Revenue Benchmark \| Customer One
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	17.00%	20.00%
Customer Concentration Risk \| Revenue Benchmark \| Customer Two
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	17.00%	19.00%
Customer Concentration Risk \| Revenue Benchmark \| Customer Three
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	14.00%	15.00%
Customer Concentration Risk \| Accounts Receivable \| Customer One
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	13.00%
Customer Concentration Risk \| Accounts Receivable \| Customer Two
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	10.00%