Commitments (Tables)

3 Months Ended

Mar. 31, 2022

Commitments

Changes in warranty liabilities

Standard Warranty Liability

(Dollars in millions)	2022		2021
Balance at January 1	$	77	$	83
Current period accruals		14		16
Accrual adjustments to reflect actual experience		(2)		(4)
Charges incurred		(20)		(23)
Balance at March 31	$	69	$	72

Extended Warranty Liability (Deferred Income)

(Dollars in millions)	2022		2021
Balance at January 1	$	350	$	425
Revenue deferred for new extended warranty contracts		18		18
Amortization of deferred revenue		(44)		(53)
Other*		(1)		(6)
Balance at March 31	$	323	$	383
Current portion	$	155	$	199
Noncurrent portion	$	168	$	185

* Other primarily consists of foreign currency translation adjustments.