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

Schedule II — Valuation and Qualifying Accounts

	Year ended December 31
Millions of Dollars	2022		2021		2020
Employee Termination Benefits
Balance at January 1	$	43	$	470	$	7
Additions (reductions) charged to expense	1		(30)		859
Payments	(33)		(397)		(396)
Balance at December 31	$	11	$	43	$	470
Expected Credit Losses
Beginning allowance balance for expected credit losses	$	745	$	671	$	849
Current period provision	263		74		573
Write-offs charged against the allowance, if any	—		—		(751)
Balance at December 31	$	1,008	$	745	$	671
Deferred Income Tax Valuation Allowance1
Balance at January 1	$	17,651	$	17,762	$	15,965
Additions to deferred income tax expense2	3,533		3,691		2,892
Reduction of deferred income tax expense	(1,652)		(3,802)		(1,095)
Balance at December 31	$	19,532	$	17,651	$	17,762

1 See also Note 17 Taxes.

2 Includes $974 of additions associated with the purchase of Noble in 2020.