Revenue from Contracts With Customers (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contracts with Customer

Schedule of the disaggregation of revenue by timing of transfer of control

	Three Months Ended March 31,
Years Ended March 31,	Point in Time		Over Time		Total
2022	$	601	$	3,115	$	3,716
2021		610		2,515		3,125

Schedule of balances of contract liabilities

	Contract		Contract
	Liabilities		Liabilities
($ in millions)	(Current)		(Noncurrent)
Balance at December 31, 2021	$	272	$	38
Increase (decrease)		(38)		(21)
Balance at March 31, 2022	$	234	$	17

Schedule of transaction price allocated to remaining performance obligations

($ in millions)	Next Twelve Months		Thereafter		Total
Sales expected to be recognized on multi-year contracts in place as of March 31, 2022	$	1,491	$	1,669	$	3,160