A tabular reconciliation of the product warranty liability, including the deferred revenue related to our extended warranty coverage and accrued product campaigns, was as follows:


	Six months ended
	June 30,
In millions	2026		2025
Balance at beginning of year	$	2,778	$	2,623
Provision for base warranties issued	337		316
Deferred revenue on extended warranty contracts sold	195		213
Provision for product campaigns issued	33		20
Payments made during period	(386)		(358)

Amortization of deferred revenue on extended warranty contracts	(158)		(144)
Changes in estimates for pre-existing product warranties and campaigns	36		30

Foreign currency translation adjustments and other	1		(7)

Balance at end of period	$	2,836	$	2,693

We recognized supplier recoveries of $4 million and $18 million for the three and six months ended June 30, 2026, compared with $13 million and $19 million for the comparable periods in 2025.

Warranty related deferred revenues and warranty liabilities on our Condensed Consolidated Balance Sheets were as follows:


In millions	June 30, 2026		December 31, 2025		Balance Sheet Location
Deferred revenue related to extended coverage programs
Current portion	$	305	$	303	Current portion of deferred revenue
Long-term portion	930		895		Deferred revenue
Total	$	1,235	$	1,198

Product warranty
Current portion	$	658	$	693	Current portion of accrued product warranty
Long-term portion	943		887		Other liabilities
Total	$	1,601	$	1,580

Total warranty accrual	$	2,836	$	2,778