Benefit Plans - Net Periodic Benefit Expense and Contributions for Defined Benefit Pension Plans and Other Postretirement Benefit Plans (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 02, 2017	Dec. 03, 2016	Dec. 02, 2017	Dec. 03, 2016
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 20	$ 20	$ 64	$ 66
Expected return on assets	(33)	(33)	(106)	(110)
Amortization of prior service benefit	0	0	0	0
Amortization of net actuarial loss	3	10	9	34
Pension settlement charge	0	41	0	41
Net periodic benefit expense (income)	(10)	38	(33)	31
Contributions to benefit plans	0	0	(1)	(2)
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Interest cost	1	0	2	1
Expected return on assets	0	0	0	0
Amortization of prior service benefit	(4)	(2)	(12)	(10)
Amortization of net actuarial loss	0	0	1	1
Pension settlement charge	0	0	0	0
Net periodic benefit expense (income)	(3)	(2)	(9)	(8)
Contributions to benefit plans	$ (1)	$ 0	$ (1)	$ 0