Accumulated Other Comprehensive Income - Change in AOCI, Net of Tax (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 29, 2024	Feb. 28, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	$ 2,536	$ 2,530	$ 2,867	$ 2,452
Other comprehensive loss before reclassifications			(5)
Amounts reclassified from AOCI			5
Total other comprehensive (loss) income	(11)	31	0	51
Ending Balance	2,658	2,674	2,658	2,674
AOCI Attributable to Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(6)	(22)	(17)	(42)
Total other comprehensive (loss) income	(11)	31		51
Ending Balance	(17)	$ 9	(17)	$ 9
Foreign Currency Translation Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			(59)
Other comprehensive loss before reclassifications			(1)
Amounts reclassified from AOCI			(2)
Total other comprehensive (loss) income			(3)
Ending Balance	(62)		(62)
Net Investment Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			(4)
Other comprehensive loss before reclassifications			0
Amounts reclassified from AOCI			(4)
Total other comprehensive (loss) income			(4)
Ending Balance	(8)		(8)
Derivative Instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			14
Other comprehensive loss before reclassifications			(4)
Amounts reclassified from AOCI			14
Total other comprehensive (loss) income			10
Ending Balance	24		24
Actuarial Gain (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			46
Other comprehensive loss before reclassifications			0
Amounts reclassified from AOCI			(5)
Total other comprehensive (loss) income			(5)
Ending Balance	41		41
Prior Service (Cost) Credit
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance			(14)
Other comprehensive loss before reclassifications			0
Amounts reclassified from AOCI			2
Total other comprehensive (loss) income			2
Ending Balance	$ (12)		$ (12)