Accumulated Other Comprehensive Income - Schedule of Changes in AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 2,867	$ 2,452	$ 2,137
Other comprehensive income (loss) before reclassifications	(38)
Amounts reclassified from AOCI	9
Total other comprehensive (loss) income	(29)	25	(17)
Ending balance	1,737	2,867	2,452
AOCI Attributable to Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(17)	(42)	(25)
Total other comprehensive (loss) income	(29)	25	(17)
Ending balance	(46)	(17)	$ (42)
Foreign Currency Translation Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(59)
Other comprehensive income (loss) before reclassifications	17
Amounts reclassified from AOCI	(2)
Total other comprehensive (loss) income	15
Ending balance	(44)	(59)
Net Investment Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(4)
Other comprehensive income (loss) before reclassifications	(16)
Amounts reclassified from AOCI	(4)
Total other comprehensive (loss) income	(20)
Ending balance	(24)	(4)
Derivative Instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	14
Other comprehensive income (loss) before reclassifications	(21)
Amounts reclassified from AOCI	19
Total other comprehensive (loss) income	(2)
Ending balance	12	14
Actuarial Gain (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	46
Other comprehensive income (loss) before reclassifications	(9)
Amounts reclassified from AOCI	(8)
Total other comprehensive (loss) income	(17)
Ending balance	29	46
Prior Service (Cost) Credit
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(14)
Other comprehensive income (loss) before reclassifications	(9)
Amounts reclassified from AOCI	4
Total other comprehensive (loss) income	(5)
Ending balance	$ (19)	$ (14)