Accumulated Other Comprehensive Loss - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	$ 1,385	$ 1,456	$ 1,556	$ 1,504
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(6)	(3)	(10)	(2)
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, after Tax	0	0	2	1
Ending Balance	1,330	1,318	1,330	1,318
Cash Flow Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	1	2	0	1
Other comprehensive loss before reclassification	(2)	(2)	(1)	0
Amounts reclassified from AOCL into net loss	0	0	0	(1)
Ending Balance	(1)	0	(1)	0
Foreign Currency Cumulative Translation Adjustment
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(14)	(3)	(10)	(4)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(6)	(3)	(10)	(2)
Ending Balance	(20)	(6)	(20)	(6)
Change in Fair Value From Instrument-Specific Credit Risk On 1.75% Debentures
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(6)	(8)	(8)	(9)
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Unrealized Gain (Loss) Arising During Period, after Tax	0	0	2	1
Ending Balance	(6)	(8)	(6)	(8)
Other Post-Employment Benefit Obligations
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Ending Balance	(1)	(1)	(1)	(1)
AOCI Attributable to Parent
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Ending Balance	$ (28)	$ (15)	$ (28)	$ (15)