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:


	Three months ended
	March 31,
In millions	2026		2025
Balance at beginning of year	$	2,778	$	2,623
Provision for base warranties issued	156		154
Deferred revenue on extended warranty contracts sold	104		124
Provision for product campaigns issued	5		11
Payments made during period	(201)		(168)

Amortization of deferred revenue on extended warranty contracts	(80)		(71)
Changes in estimates for pre-existing product warranties and campaigns	10		(2)

Foreign currency translation adjustments and other	(1)		8

Balance at end of period	$	2,771	$	2,679

We recognized supplier recoveries of $14 million for the three months ended March 31, 2026, compared with $6 million for the comparable period in 2025.

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


In millions	March 31, 2026		December 31, 2025		Balance Sheet Location
Deferred revenue related to extended coverage programs
Current portion	$	303	$	303	Current portion of deferred revenue
Long-term portion	919		895		Deferred revenue
Total	$	1,222	$	1,198

Product warranty
Current portion	$	638	$	693	Current portion of accrued product warranty
Long-term portion	911		887		Other liabilities
Total	$	1,549	$	1,580

Total warranty accrual	$	2,771	$	2,778