Shareholders' Equity (Tables)

6 Months Ended

Mar. 31, 2024

Stockholders' Equity Note [Abstract]

Changes in certain components of shareholders' equity for the first two quarters of fiscal years 2024 and 2023 were as follows:


	Common Stock Issued at Par Value		Capital in Excess of Par Value		Retained Earnings		Deferred Compensation		Treasury Stock
(Millions of dollars)									Shares (in thousands)	Amount
Balance at September 30, 2023	$	371	$	19,720	$	15,535	$	24	(80,203)	$	(8,305)
Net income	—		—		281		—		—	—
Common dividends ($0.95 per share)	—		—		(275)		—		—	—

Issuance of shares under employee and other plans, net	—		(62)		—		—		647	(20)
Share-based compensation	—		83		—		—		—	—
Common stock held in trusts, net (a)	—		—		—		—		(19)	—
Repurchase of common stock	—		—		—		—		(2,118)	(503)

Balance at December 31, 2023	$	371	$	19,741	$	15,540	$	24	(81,692)	$	(8,828)
Net income	—		—		537		—		—	—
Common dividends ($0.95 per share)	—		—		(275)		—		—	—

Issuance of shares under employee and other plans, net	—		(5)		—		2		72	17
Share-based compensation	—		60		—		—		—	—
Common stock held in trusts, net (a)	—		—		—		—		32	—
Balance at March 31, 2024	$	371	$	19,795	$	15,802	$	26	(81,588)	$	(8,811)


	Common Stock Issued at Par Value		Capital in Excess of Par Value		Retained Earnings		Deferred Compensation		Treasury Stock
(Millions of dollars)									Shares (in thousands)	Amount
Balance at September 30, 2022	$	365	$	19,553	$	15,157	$	23	(81,283)	$	(8,330)
Net income	—		—		509		—		—	—
Common dividends ($0.91 per share)	—		—		(259)		—		—	—
Preferred dividends	—		—		(23)		—		—	—
Issuance of shares under employee and other plans, net	—		(52)		—		—		556	(3)
Share-based compensation	—		89		—		—		—	—
Common stock held in trusts, net (a)	—		—		—		—		(11)	—


Balance at December 31, 2022	$	365	$	19,590	$	15,384	$	24	(80,738)	$	(8,333)
Net income	—		—		460		—		—	—
Common dividends ($0.91 per share)	—		—		(259)		—		—	—
Preferred dividends	—		—		(23)		—		—	—
Issuance of shares under employee and other plans, net	—		(7)		—		—		21	5
Share-based compensation	—		56		—		—		—	—
Common stock held in trusts, net (a)	—		—		—		—		92	—

Balance at March 31, 2023	$	365	$	19,639	$	15,563	$	24	(80,625)	$	(8,327)

(a)Common stock held in trusts consists of the Company’s shares held in rabbi trusts in connection with deferred compensation under the Company’s employee salary and bonus deferral plan and directors’ deferral plan.

Schedule of Accumulated Other Comprehensive Income (Loss)

The components and changes of Accumulated other comprehensive income (loss) for the first two quarters of fiscal years 2024 and 2023 were as follows:


(Millions of dollars)	Total		Foreign Currency Translation		Benefit Plans		Cash Flow Hedges		Available-for-Sale Debt Securities
Balance at September 30, 2023	$	(1,548)	$	(1,078)	$	(571)	$	103	$	—
Other comprehensive income (loss) before reclassifications, net of taxes	21		40		—		(19)		—
Amounts reclassified into income, net of taxes	12		—		12		1		—
Balance at December 31, 2023	$	(1,515)	$	(1,038)	$	(559)	$	84	$	—
Other comprehensive (loss) gain before reclassifications, net of taxes	(31)		(41)		—		9		(1)
Amounts reclassified into income, net of taxes	11		—		12		(1)		—
Balance at March 31, 2024	$	(1,535)	$	(1,079)	$	(548)	$	93	$	(1)


(Millions of dollars)	Total		Foreign Currency Translation		Benefit Plans		Cash Flow Hedges		Available-for-Sale Debt Securities
Balance at September 30, 2022	$	(1,488)	$	(987)	$	(574)	$	75	$	—
Other comprehensive loss before reclassifications, net of taxes	(84)		(80)		—		(4)		—
Amounts reclassified into income, net of taxes	12		—		11		1		—
Balance at December 31, 2022	$	(1,559)	$	(1,067)	$	(563)	$	73	$	—
Other comprehensive loss before reclassifications, net of taxes	(29)		(21)		—		(8)		—
Amounts reclassified into income, net of taxes	13		—		11		2		—
Balance at March 31, 2023	$	(1,575)	$	(1,088)	$	(552)	$	67	$	—