CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 1,467	$ 1,475
Other comprehensive income (loss), net of tax
Foreign exchange translation adjustment	(278)	54
Pension and other postretirement benefit adjustments	11	(5)
Changes in fair value of cash flow hedges	(18)	14
Other comprehensive income (loss), net of tax	(285)	63
Comprehensive income	1,182	1,538
Less: Comprehensive income (loss) attributable to the noncontrolling interest	30	(12)
Comprehensive income attributable to Honeywell	$ 1,152	$ 1,550