XML 56 R34.htm IDEA: XBRL DOCUMENT

Fair Value Measurements (Carrying Value And Fair Value Of Long-Term Debt) (Details) (USD $) In Millions, unless otherwise specified	Apr. 30, 2014	Jan. 31, 2014
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, including amounts due within one year	$ 48,986	$ 45,874
Fair Value \| Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, including amounts due within one year, Fair Value	$ 54,362	$ 50,757

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References+ Details