Accumulated Other Comprehensive Income - Schedule of Changes in AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 1,737	$ 2,867	$ 2,452
Total other comprehensive income (loss)	29	(29)	25
Ending balance	1,517	1,737	2,867
AOCI Attributable to Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(46)	(17)	(42)
Other comprehensive income (loss) before reclassifications	26
Amounts reclassified from AOCI	3
Total other comprehensive income (loss)	29	(29)	25
Ending balance	(17)	(46)	$ (17)
Foreign Currency Translation Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(44)
Other comprehensive income (loss) before reclassifications	34
Amounts reclassified from AOCI	0
Total other comprehensive income (loss)	34
Ending balance	(10)	(44)
Net Investment Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(24)
Other comprehensive income (loss) before reclassifications	(18)
Amounts reclassified from AOCI	0
Total other comprehensive income (loss)	(18)
Ending balance	(42)	(24)
Derivative Instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	12
Other comprehensive income (loss) before reclassifications	14
Amounts reclassified from AOCI	5
Total other comprehensive income (loss)	19
Ending balance	31	12
Actuarial Gain (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	29
Other comprehensive income (loss) before reclassifications	(4)
Amounts reclassified from AOCI	(7)
Total other comprehensive income (loss)	(11)
Ending balance	18	29
Prior Service (Cost) Credit
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(19)
Other comprehensive income (loss) before reclassifications	0
Amounts reclassified from AOCI	5
Total other comprehensive income (loss)	5
Ending balance	$ (14)	$ (19)