BENEFIT PLANS - Fair Value of Assets of Company's Benefit Plans Held in Master Trust (Detail) - USD ($) $ in Millions	Feb. 24, 2018	Feb. 25, 2017
Changes in Plan Assets
Total plan assets at fair value	$ 2,444	$ 2,183
Assets Measured at NAV	357	388
Common Stock
Changes in Plan Assets
Total plan assets at fair value	188	366
Fixed Income and Equity [Member] [Member]
Changes in Plan Assets
Total plan assets at fair value	803	837
Assets Measured at NAV	75	102
Corporate Bond Securities [Member]
Changes in Plan Assets
Total plan assets at fair value	418	248
Government securities
Changes in Plan Assets
Total plan assets at fair value	236	160
Mutual funds
Changes in Plan Assets
Total plan assets at fair value	486	259
Real estate partnerships
Changes in Plan Assets
Total plan assets at fair value	0	18
Other
Changes in Plan Assets
Total plan assets at fair value	31	9
Private equity and Real Estate
Changes in Plan Assets
Total plan assets at fair value	282	286
Level 1
Changes in Plan Assets
Total plan assets at fair value	312	451
Level 1 | Common Stock
Changes in Plan Assets
Total plan assets at fair value	188	366
Level 1 | Fixed Income and Equity [Member] [Member]
Changes in Plan Assets
Total plan assets at fair value	0	0
Level 1 | Corporate Bond Securities [Member]
Changes in Plan Assets
Total plan assets at fair value	0	0
Level 1 | Government securities
Changes in Plan Assets
Total plan assets at fair value	68	27
Level 1 | Mutual funds
Changes in Plan Assets
Total plan assets at fair value	46	54
Level 1 | Real estate partnerships
Changes in Plan Assets
Total plan assets at fair value	0	0
Level 1 | Other
Changes in Plan Assets
Total plan assets at fair value	10	4
Level 1 | Private equity and Real Estate
Changes in Plan Assets
Total plan assets at fair value	0	0
Level 2
Changes in Plan Assets
Total plan assets at fair value	1,775	1,344
Level 2 | Common Stock
Changes in Plan Assets
Total plan assets at fair value	0	0
Level 2 | Fixed Income and Equity [Member] [Member]
Changes in Plan Assets
Total plan assets at fair value	728	735
Level 2 | Corporate Bond Securities [Member]
Changes in Plan Assets
Total plan assets at fair value	418	248
Level 2 | Government securities
Changes in Plan Assets
Total plan assets at fair value	168	133
Level 2 | Mutual funds
Changes in Plan Assets
Total plan assets at fair value	440	205
Level 2 | Real estate partnerships
Changes in Plan Assets
Total plan assets at fair value		18
Level 2 | Other
Changes in Plan Assets
Total plan assets at fair value	21	5
Level 2 | Private equity and Real Estate
Changes in Plan Assets
Total plan assets at fair value	0	0
Level 3
Changes in Plan Assets
Total plan assets at fair value	0	0
Level 3 | Common Stock
Changes in Plan Assets
Total plan assets at fair value	0	0
Level 3 | Fixed Income and Equity [Member] [Member]
Changes in Plan Assets
Total plan assets at fair value	0	0
Level 3 | Corporate Bond Securities [Member]
Changes in Plan Assets
Total plan assets at fair value	0	0
Level 3 | Government securities
Changes in Plan Assets
Total plan assets at fair value	0	0
Level 3 | Mutual funds
Changes in Plan Assets
Total plan assets at fair value	0	0
Level 3 | Real estate partnerships
Changes in Plan Assets
Total plan assets at fair value	0	0
Level 3 | Other
Changes in Plan Assets
Total plan assets at fair value	0	0
Level 3 | Private equity and Real Estate
Changes in Plan Assets
Total plan assets at fair value	$ 0	$ 0