Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2025

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated other comprehensive income (loss)

Changes in the balances for each component of AOCI for the years ended December 31, were as follows:

(Millions of dollars)	2025		2024		2023
Foreign currency translation
Balance at beginning of year	$	(1,256)	$	(996)	$	(1,068)
Gains (losses) on foreign currency translation	328		(299)		55
Less: Tax provision/(benefit)	—		22		(17)
Net gains (losses) on foreign currency translation	328		(321)		72
(Gains) losses reclassified to earnings	—		61		—
Less: Tax provision/(benefit)	—		—		—
Net (gains) losses reclassified to earnings	—		61		—
Other comprehensive income (loss), net of tax	328		(260)		72
Balance at end of year	$	(928)	$	(1,256)	$	(996)
Derivative financial instruments
Balance at beginning of year	$	24	$	18	$	21
Gains (losses) deferred	34		266		(13)
Less: Tax provision/(benefit)	8		74		(3)
Net gains (losses) deferred	26		192		(10)
(Gains) losses reclassified to earnings	(79)		(254)		10
Less: Tax (provision)/benefit	(19)		(68)		3
Net (gains) losses reclassified to earnings	(60)		(186)		7
Other comprehensive income (loss), net of tax	(34)		6		(3)
Balance at end of year	$	(10)	$	24	$	18
Total Accumulated other comprehensive income (loss) at end of year	$	(938)	$	(1,232)	$	(978)