As of December 31, 2020 and 2019, other long-term liabilities consisted of the following (in millions):
December 31,
2020
2019
Operating lease liabilities
$
1,254
956
Accrued warranty reserve
989
745
Sales return reserve
500
545
Deferred tax liability
151
66
Resale value guarantees
19
36
Other non-current liabilities
417
343
Total other long-term liabilities
3,330
2,691
No definition available.
Tabular disclosure of other noncurrent liabilities.