Long-term Debt (Tables)

12 Months Ended

Jan. 31, 2015

Long-term Debt, Unclassified [Abstract]

Schedule of short-term debt

The following table includes additional information related to the Company's short-term borrowings for fiscal 2015, 2014 and 2013:

	Fiscal Years Ended January 31,
(Amounts in millions)	2015			2014			2013
Maximum amount outstanding at any month-end	$	11,581		$	13,318		$	8,740
Average daily short-term borrowings	7,009			8,971			6,007
Weighted-average interest rate	0.5		%	0.1		%	0.1		%

Schedule of line of credit facilities

The committed lines of credit are summarized in the following table:

	Fiscal Years Ended January 31,
	2015						2014
(Amounts in millions)	Available		Drawn		Undrawn		Available		Drawn		Undrawn
Five-year credit facility(1)	$	6,000	$	—	$	6,000	$	6,000	$	—	$	6,000
364-day revolving credit facility(2)	9,000		—		9,000		9,400		—		9,400
Total	$	15,000	$	—	$	15,000	$	15,400	$	—	$	15,400

(1) In June 2014, the Company renewed and extended its existing five-year credit facility, which is used to support its commercial paper program.

(2) In June 2014, the Company renewed and extended its existing 364-day revolving credit facility, which is used to support its commercial paper program.

Schedule of long-term debt instruments

The Company's long-term debt, which includes the fair value instruments further discussed in Note 8, consists of the following:

		January 31, 2015				January 31, 2014
(Amounts in millions)	Maturity Dates By Fiscal Year	Amount			Average Rate(1)	Amount			Average Rate(1)
Unsecured debt
Fixed	2016 - 2045	$	36,000		4.3%	$	35,500		4.3%
Variable	2019	500			5.4%	500			5.4%
Total U.S. dollar denominated		36,500				36,000
Fixed	2023 - 2030	2,821			3.3%	1,356			4.9%
Variable		—				—
Total Euro denominated		2,821				1,356
Fixed	2031 - 2039	5,271			5.3%	5,770			5.3%
Variable		—				—
Total Sterling denominated		5,271				5,770
Fixed	2016 - 2021	596			1.0%	1,490			1.3%
Variable	2016	255			0.6%	457			0.7%
Total Yen denominated		851				1,947
Total unsecured debt		45,443				45,073
Total other debt (in USD)(2)		453				801
Total debt		45,896				45,874
Less amounts due within one year		(4,810		)		(4,103		)
Long-term debt		$	41,086			$	41,771

(1) The average rate represents the weighted-average stated rate for each corresponding debt category, based on year-end balances and year-end interest rates. Interest costs are also impacted by certain derivative financial instruments described in Note 8.

(2) A portion of other debt at January 31, 2015 and 2014 includes secured debt in the amount of $139 million and $572 million, respectively, which was collateralized by property that had an aggregate carrying amount of approximately $19 million and $471 million, respectively.

Schedule of maturities of long-term debt

Annual maturities of long-term debt during the next five years and thereafter are as follows:

(Amounts in millions)	Annual
Fiscal Year	Maturities
2016	$	4,810
2017	2,312
2018	1,523
2019	3,518
2020	514
Thereafter	33,219
Total	$	45,896

Schedule of fiscal year 2015 debt issuances

Information on significant long-term debt issued during fiscal 2015 is as follows:

(Amounts in millions)
Issue Date	Principal Amount	Maturity Date	Fixed vs. Floating	Interest Rate	Proceeds
April 8, 2014	850 Euro	April 8, 2022	Fixed	1.900%	$	1,161
April 8, 2014	650 Euro	April 8, 2026	Fixed	2.550%	885
April 22, 2014	500 USD	April 21, 2017	Fixed	1.000%	499
April 22, 2014	1,000 USD	April 22, 2024	Fixed	3.300%	992
April 22, 2014	1,000 USD	April 22, 2044	Fixed	4.300%	985
October 22, 2014	500 USD	April 22, 2024	Fixed	3.300%	508
Total					$	5,030

Schedule of fiscal year 2014 debt issuances

Information on significant long-term debt issued during fiscal 2014 is as follows:

(Amounts in millions)
Issue Date	Principal Amount	Maturity Date	Fixed vs. Floating	Interest Rate	Proceeds
April 11, 2013	1,000 USD	April 11, 2016	Fixed	0.600%	$	997
April 11, 2013	1,250 USD	April 11, 2018	Fixed	1.130%	1,244
April 11, 2013	1,750 USD	April 11, 2023	Fixed	2.550%	1,738
April 11, 2013	1,000 USD	April 11, 2043	Fixed	4.000%	988
October 2, 2013	1,000 USD	December 15, 2018	Fixed	1.950%	995
October 2, 2013	750 USD	October 2, 2043	Fixed	4.750%	738
Total					$	6,700