Shareholders' Equity (Tables)

12 Months Ended

Sep. 30, 2020

Stockholders' Equity Note [Abstract]

Accumulated Other Comprehensive (Loss) Income

The components and changes of Accumulated other comprehensive income (loss) were as follows:

(Millions of dollars)	Total		Foreign Currency Translation		Benefit Plans		Cash Flow Hedges
Balance at September 30, 2017	$	(1,723)	$	(1,001)	$	(703)	$	(18)
Other comprehensive (loss) income before reclassifications, net of taxes	(142)		(161)		19		—
Amounts reclassified into income, net of taxes	57		—		52		5
Tax effects reclassified to retained earnings	(103)		—		(99)		(4)
Balance at September 30, 2018	$	(1,909)	$	(1,162)	$	(729)	$	(17)
Other comprehensive loss before reclassifications, net of taxes	(427)		(93)		(325)		(9)
Amounts reclassified into income, net of taxes	52		—		49		3
Balance at September 30, 2019	$	(2,283)	$	(1,256)	$	(1,005)	$	(23)
Other comprehensive loss before reclassifications, net of taxes	(338)		(161)		(101)		(76)
Amounts reclassified into income, net of taxes	74		—		66		8
Balance at September 30, 2020	$	(2,548)	$	(1,416)	$	(1,040)	$	(91)

Other Comprehensive Income (Loss), Tax

The tax impacts for amounts recognized in other comprehensive income before reclassifications were as follows:

(Millions of dollars)	2020		2019		2018
Benefit Plans
Income tax benefit (provision) for net (losses) gains recorded in other comprehensive income	$	30	$	91	$	(19)