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Debt - Extinguishment of Debt (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 03, 2015 | Jun. 04, 2015 | Dec. 04, 2014 | Sep. 01, 2016 | Sep. 03, 2015 | Aug. 28, 2014 | Apr. 30, 2015 | Feb. 03, 2015 | Jul. 31, 2014 | Feb. 28, 2014
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Principal |  |  |  |  |  | $ 1,390 | $ 1,371 |  |  |  |
Increase (Decrease) in Carrying Value |  |  |  |  |  | 1,178 | 1,409 |  |  |  |
Cash, increase (decrease), net change as a result of debt restructure activities |  |  |  |  |  | 430 | (485) |  |  |  |
(Decrease) in Equity |  |  |  |  | $ (38) | (691) | (1,691) |  |  |  |
Loss on restructure of debt |  | $ 1 | $ 18 | $ 30 | (4) | (49) | (184) |  |  |  |
Interest and debt expense incurred through restructure of debt | [1] |  |  |  |  |  | (205) |  |  |  |
Debt Issuance [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Principal |  |  |  |  |  |  | 2,212 |  |  |  |
Increase (Decrease) in Carrying Value |  |  |  |  |  |  | 2,157 |  |  |  |
Proceeds from Debt Issuances, Net of Issuance Costs |  |  |  |  |  |  | 2,157 |  |  |  |
(Decrease) in Equity |  |  |  |  |  |  | 0 |  |  |  |
Interest and debt expense incurred through restructure of debt |  |  |  |  |  |  | 0 |  |  |  |
Prepayment [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face value of debt extinguished |  |  |  |  |  |  | (336) |  |  |  |
Increase (Decrease) in Carrying Value |  |  |  |  |  |  | (332) |  |  |  |
Decrease in Cash to Settle Long-term Debt Obligations |  |  |  |  |  |  | (339) |  |  |  |
(Decrease) in Equity |  |  |  |  |  |  | 0 |  |  |  |
Interest and debt expense incurred through restructure of debt |  |  |  |  |  |  | (3) |  |  |  |
Other non-operating income expense net |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss on restructure of debt |  |  |  |  |  | (49) |  |  |  |  |
Interest and debt expense incurred through restructure of debt |  |  |  |  |  |  | (184) |  |  |  |
Interest Expense |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Interest and debt expense incurred through restructure of debt |  |  |  |  |  |  | (21) |  |  |  |
Convertible Debt | Exchanged [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Principal |  |  |  |  |  |  | 585 |  |  |  |
Face value of debt extinguished |  |  |  |  |  |  | (440) |  |  |  |
Increase (Decrease) in Carrying Value |  |  |  |  |  |  | 282 |  |  |  |
Decrease in Cash to Settle Long-term Debt Obligations |  |  |  |  |  |  | 0 |  |  |  |
(Decrease) in Equity |  |  |  |  |  |  | (238) |  |  |  |
Interest and debt expense incurred through restructure of debt |  |  |  |  |  |  | (49) |  |  |  |
Convertible Debt | Conversion And Settlement [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face value of debt extinguished |  |  |  |  |  | (121) | (770) |  |  |  |
Increase (Decrease) in Carrying Value |  |  |  |  |  | (367) | (434) |  |  |  |
Decrease in Cash to Settle Long-term Debt Obligations |  |  |  |  |  | (408) | (1,446) |  |  |  |
(Decrease) in Equity |  |  |  |  |  | (15) | (886) |  |  |  |
Interest and debt expense incurred through restructure of debt |  |  |  |  |  |  | (130) |  |  |  |
Convertible Debt | Repurchase [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face value of debt extinguished |  |  |  |  |  | (368) | (320) |  |  |  |
Increase (Decrease) in Carrying Value |  |  |  |  |  | (319) | (264) |  |  |  |
Decrease in Cash to Settle Long-term Debt Obligations |  |  |  |  |  | (1,019) | (857) |  |  |  |
(Decrease) in Equity |  |  |  |  |  | (676) | (567) |  |  |  |
Interest and debt expense incurred through restructure of debt |  |  |  |  |  |  | (23) |  |  |  |
Convertible Debt | 2031B convertible senior notes | Conversion And Settlement [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face value of debt extinguished |  |  |  |  |  | (114) |  |  |  |  |
Increase (Decrease) in Carrying Value |  |  |  |  |  |  | 275 |  |  |  |
Decrease in Cash to Settle Long-term Debt Obligations |  |  |  |  |  | (389) |  |  |  |  |
Convertible Debt | 2033E convertible senior notes | Conversion And Settlement [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face value of debt extinguished |  |  |  |  |  | (7) |  |  |  |  |
Decrease in Cash to Settle Long-term Debt Obligations |  |  |  |  |  | (19) |  |  |  |  |
Convertible Debt | 2033E convertible senior notes | Repurchase [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face value of debt extinguished |  |  |  |  | (57) |  |  |  |  |  |
Increase (Decrease) in Carrying Value |  |  |  |  | 54 |  |  |  |  |  |
Decrease in Cash to Settle Long-term Debt Obligations |  |  |  |  | (94) |  |  |  |  |  |
(Decrease) in Equity |  |  |  |  | (38) |  |  |  |  |  |
Convertible Debt | 2043G convertible senior notes |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  | $ 1,025 |  |  |  |  |  |
Convertible Debt | 2043G convertible senior notes | Exchanged [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  | $ 1,030 |  |  |  |
Convertible Debt | Other non-operating income expense net | Conversion And Settlement [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss on restructure of debt |  |  |  |  |  | (22) |  |  |  |  |
Convertible Debt | Other non-operating income expense net | Repurchase [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss on restructure of debt |  |  |  |  |  | (22) |  |  |  |  |
Corporate bonds | Debt Issuance [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Principal |  |  |  |  |  | 2,000 |  |  |  |  |
Increase (Decrease) in Carrying Value |  |  |  |  |  | 1,979 |  |  |  |  |
Proceeds from Debt Issuances, Net of Issuance Costs |  |  |  |  |  | 1,979 |  |  |  |  |
(Decrease) in Equity |  |  |  |  |  | 0 |  |  |  |  |
Debt Instrument, Face Amount |  | $ 2,000 |  |  |  | 2,000 |  |  |  |  |
Corporate bonds | 2022 senior notes |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  |  | $ 600
Corporate bonds | 2023 senior notes |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  | $ 1,000 |  |
Corporate bonds | 2024 senior notes |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  | $ 550 |  |  |
Corporate bonds | 2025 senior notes |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  | $ 1,150 |
Corporate bonds | 2026 senior notes |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  | $ 450 |  |  |
Corporate bonds | Other non-operating income expense net | Debt Issuance [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss on restructure of debt |  |  |  |  |  | 0 |  |  |  |  |
Notes Payable, Other Payables | Prepayment [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Face value of debt extinguished |  |  |  |  |  | (121) |  |  |  |  |
Increase (Decrease) in Carrying Value |  |  |  |  |  | (115) |  |  |  |  |
Decrease in Cash to Settle Long-term Debt Obligations |  |  |  |  |  | (122) |  |  |  |  |
(Decrease) in Equity |  |  |  |  |  | 0 |  |  |  |  |
Notes Payable, Other Payables | Other non-operating income expense net | Prepayment [Member] |  |  |  |  |  |  |  |  |  |  |
Extinguishment of Debt [Line Items] |  |  |  |  |  |  |  |  |  |  |
Loss on restructure of debt |  |  |  |  |  | $ (5) |  |  |  |  |
[1] | $184 million included in other non-operating expense and $21 million included in interest expense

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