Fair Value - Narrative (Detail) $ in Millions	3 Months Ended		12 Months Ended
	Dec. 31, 2021 USD ($)	Sep. 30, 2021 customer	Jun. 30, 2021 customer
Forecast
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amounts reclassified into equity as a result of the expiration of a put arrangement | $	$ 110
Accounts Receivable | Credit Concentration Risk
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Number of major customers | customer		0	0
Accounts Receivable | Credit Concentration Risk | Minimum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Concentration risk percentage		10.00%	10.00%