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Accrued Expenses and Other Liabilities and Other Long-Term Liabilities
12 Months Ended
Dec. 31, 2021
Payables and Accruals [Abstract]  
Accrued Expenses and Other Liabilities and Other Long-Term Liabilities Accrued Expenses and Other Liabilities and Other Long-Term LiabilitiesAccrued expenses and other liabilities consist of the following:
December 31,
20212020
Self-insurance accruals
$51 $54 
Accrued compensation and benefit costs (1)18779
Property and income taxes payable
4245
Restructuring reserves (2)1019
Interest payable
126133
Deferred revenue (3)8351
National accounts accrual
9584
 Operating lease liability202178
Other (4)8577
Accrued expenses and other liabilities
$881 $720 
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(1)    The increase from December 31, 2020 to December 31, 2021 was primarily due to a higher bonus accrual, which reflects increased profitability.
(2)    Primarily relates to branch closure charges and severance costs. See note 6 for additional detail.
(3)    Reflects amounts billed to customers in excess of recognizable revenue. See note 3 for additional detail.
(4)    Other includes multiple items, none of which are individually significant.
Other long-term liabilities consist of the following:  
December 31,
20212020
Self-insurance accruals
$100 $73 
Income taxes payable
55
Accrued compensation and benefit costs
3960
Other long-term liabilities
$144 $138