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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2022
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
 Additions  
(In millions)Balance at
Beginning
of Period		Charged to
Earnings
Transferred
from Other
Accounts (1)
Deductions (2)
Balance
at End
of Period
2022
Self-insurance accruals (3)
$466 497 95 595 $463 
Valuation allowance on deferred tax assets$24 64 — — $88 
2021
Self-insurance accruals (3)
$444 478 89 545 $466 
Valuation allowance on deferred tax assets$42 (18)— — $24 
2020
Self-insurance accruals (3)
$411 426 89 482 $444 
Valuation allowance on deferred tax assets$18 26 — 2 $42 
_______________ 
(1)Transferred from other accounts includes employee contributions made to the medical and dental self-insurance plans.
(2)Deductions represent write-offs and insurance claim payments during the period.
(3)Self-insurance accruals include vehicle liability, workers’ compensation, property damage, cargo and medical and dental, which comprise our self-insurance programs. Amounts charged to earnings included developments in prior years' selected loss development factors, which benefited earnings by $25 million and $6 million in 2022 and 2021, respectively, and charged earnings by $18 million in 2020.