XML 62 R39.htm IDEA: XBRL DOCUMENT v3.22.0.1
Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
Schedule II — Valuation and Qualifying Accounts
Year ended December 31
Millions of Dollars202120202019
Employee Termination Benefits
Balance at January 1$470 $7 $19 
Additions (reductions) charged to expense(30)859 6 
Payments(397)(396)(18)
Balance at December 31 $43 $470 $7 
Expected Credit Losses
Beginning allowance balance for expected credit losses$671 $849 $980 
Current period provision74 573 (128)
Write-offs charged against the allowance, if any— (751)(3)
Balance at December 31 $745 $671 $849 
Deferred Income Tax Valuation Allowance1
Balance at January 1$17,762 $15,965 $15,973 
Additions to deferred income tax expense2
3,691 2,892 1,336 
Reduction of deferred income tax expense(3,802)(1,095)(1,344)
Balance at December 31 $17,651 $17,762 $15,965 
1 See also Note 17 Taxes.
2 Includes $974 of additions associated with the purchase of Noble in 2020.