Stock-Based Compensation (Details) - Restricted Stock Units (RSUs) - USD ($) shares in Thousands, $ in Millions		3 Months Ended		12 Months Ended
		Mar. 01, 2019	Mar. 02, 2018	Nov. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award
Outstanding weighted average remaining contractual life (in years)		1 year 7 months 9 days	1 year 6 months 7 days
Shares outstanding aggregate intrinsic value	[1]	$ 2,358.7	$ 1,928.9
Vested And Expected To Vest Shares		7,979	8,259
Weighted Average Remaining Contractual Life Vested And Expected To Vest		1 year 6 months 18 days	1 year 5 months 19 days
Vested And Expected To Vest Intrinsic Value	[1]	$ 2,106.6	$ 1,732.6
Shares Activity
Beginning outstanding balance		8,668	9,304	9,304
Awarded, Shares		3,361		4,012
Released, Shares		(2,947)		(3,988)
Forfeited, Shares		(148)		(660)
Ending outstanding balance		8,934	9,195	8,668

[1] The intrinsic value is calculated as the market value as of the end of the fiscal period. As reported by the NASDAQ Global Select Market, the market values as of March 1, 2019 and March 2, 2018 were $264.01 and $209.79, respectively.