Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

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- References

No definition available.

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- Definition

Amount of debt issuance costs (for example, but not limited to, legal, accounting, broker, and regulatory fees).

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from a borrowing supported by a written promise to pay an obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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- Definition

The available amount of borrowing from the redemption premium obtained during the period.

+ References

No definition available.

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- Definition

Percentage price of original principal amount plus accrued interest of debt at which debt can be redeemed by the issuer.

+ References

No definition available.

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- Definition

Purchase price, represented as a percentage of the principal amount, required to repurchase the notes if a change of control triggering event occurs and the notes have not previously been redeemed.

+ References

No definition available.

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Short-Term Borrowings and Long-Term Debt (Details) £ in Millions, $ in Millions	6 Months Ended
	Feb. 29, 2016 USD ($)	Feb. 29, 2016 GBP (£)	Aug. 10, 2015
Long-Term Debt [Abstract]
Percentage of principal amount of fixed rate notes can be redeemed	100.00%
Total $8.0 Billion Debt Issuance [Member]
Long-Term Debt [Abstract]
Net proceeds from notes payable	$ 7,900
Total issuance costs	44
Fair value of the notes	$ 7,900
Percentage of principal amount of fixed rate notes can be redeemed	100.00%
Percentage of principal amount required on triggering event to repurchase notes	101.00%	101.00%
Total $4.0 Billion Debt Issuance [Member]
Long-Term Debt [Abstract]
Repayment of debt	$ 1,000
Net proceeds from notes payable	4,000
Total issuance costs	26
Fair value of the notes	$ 1,600
Percentage of principal amount of fixed rate notes can be redeemed	100.00%
Percentage of redemption price	100.00%
Percentage of principal amount required on triggering event to repurchase notes	101.00%	101.00%
Percentage of redemption price including accrued interest	101.677%
Debt instrument redemption premium	$ 17
Total $1.0 Billion Debt Issuance [Member]
Long-Term Debt [Abstract]
Repayment of debt	750
Net proceeds from notes payable	1,000
Total issuance costs	8
Fair value of the notes	$ 270
Stated interest rate	5.25%	5.25%
Percentage of principal amount of fixed rate notes can be redeemed	100.00%
Percentage of principal amount required on triggering event to repurchase notes	101.00%	101.00%
Percentage of redemption price including accrued interest	111.734%
Debt instrument redemption premium	$ 88
Face amount of notes issued	$ 250
Total $1.0 Billion Debt Issuance [Member] \| Treasury Rate [Member]
Long-Term Debt [Abstract]
Basis spread on variable rate	0.45%
Euro and Pound Sterling Notes [Member]
Long-Term Debt [Abstract]
Total issuance costs	$ 11
Fair value of the notes	$ 1,800
Percentage of redemption price	100.00%
Percentage of principal amount required on triggering event to repurchase notes	101.00%	101.00%
Euro Notes [Member] \| Treasury Rate [Member]
Long-Term Debt [Abstract]
Basis spread on variable rate	0.20%
1.750% Unsecured Notes Due 2017 [Member] \| Treasury Rate [Member]
Long-Term Debt [Abstract]
Basis spread on variable rate	0.15%
2.700% Unsecured Notes Due 2019 [Member] \| Treasury Rate [Member]
Long-Term Debt [Abstract]
Basis spread on variable rate	0.15%
3.300% Unsecured Notes Due 2021 [Member] \| Treasury Rate [Member]
Long-Term Debt [Abstract]
Basis spread on variable rate	0.20%
3.800% Unsecured Notes Due 2024 [Member] \| Treasury Rate [Member]
Long-Term Debt [Abstract]
Basis spread on variable rate	0.20%
4.500% Unsecured Notes Due 2034 [Member] \| Treasury Rate [Member]
Long-Term Debt [Abstract]
Basis spread on variable rate	0.20%
4.800% Unsecured Notes Due 2044 [Member] \| Treasury Rate [Member]
Long-Term Debt [Abstract]
Basis spread on variable rate	0.25%
Notes Due 2014 [Member]
Long-Term Debt [Abstract]
Repayment of debt	$ 550
1.000% Unsecured Notes Due 2015 [Member]
Long-Term Debt [Abstract]
Repayment of debt	$ 750
1.000% Unsecured Notes Due 2015 [Member] \| Treasury Rate [Member]
Long-Term Debt [Abstract]
Basis spread on variable rate	0.12%
1.800% Unsecured Notes Due 2017 [Member]
Long-Term Debt [Abstract]
Stated interest rate			1.80%
3.100% Unsecured Notes Due 2022 [Member] \| Treasury Rate [Member]
Long-Term Debt [Abstract]
Basis spread on variable rate	0.22%
4.400% Unsecured Notes Due 2042 [Member] \| Treasury Rate [Member]
Long-Term Debt [Abstract]
Basis spread on variable rate	0.25%
Unsecured Pound Sterling Notes Due 2020 [Member] \| Government Bond Rate [Member]
Long-Term Debt [Abstract]
Basis spread on variable rate	0.20%
Unsecured Pound Sterling Notes Due 2025 [Member] \| Government Bond Rate [Member]
Long-Term Debt [Abstract]
Basis spread on variable rate	0.20%
Unsecured Debt [Member] \| Total $8.0 Billion Debt Issuance [Member]
Long-Term Debt [Abstract]
Face amount of notes issued	$ 8,000
Unsecured Debt [Member] \| Total $4.0 Billion Debt Issuance [Member]
Long-Term Debt [Abstract]
Face amount of notes issued	$ 1,700
Unsecured Debt [Member] \| Unsecured Pound Sterling Notes Due 2020 [Member]
Long-Term Debt [Abstract]
Stated interest rate	2.875%	2.875%
Face amount of notes issued \| £		£ 400
Unsecured Debt [Member] \| Unsecured Pound Sterling Notes Due 2025 [Member]
Long-Term Debt [Abstract]
Stated interest rate	3.60%	3.60%
Face amount of notes issued \| £		£ 300