Income Taxes (Gross Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
Sep. 02, 2018	Sep. 03, 2017
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Gross unrecognized tax benefit at beginning of year	$ 52	$ 52
Gross increases—current year tax positions	6	3
Gross increases—tax positions in prior years	6	17
Gross decreases—tax positions in prior years	(17)	0
Settlements	(1)	(11)
Lapse of statute of limitations	(10)	(9)
Gross unrecognized tax benefit at end of year	$ 36	$ 52

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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