| Six Months Ended | Fiscal Year Ended | ||||||||||||||||||||||||||
| July 31, | January 31, | ||||||||||||||||||||||||||
| (Amounts in millions) | 2013 | 2012 | 2013 | 2012 | 2011 | 2010 | 2009 | ||||||||||||||||||||
| Income before income taxes | $ | 12,166 | $ | 12,045 | $ | 25,737 | $ | 24,398 | $ | 23,538 | $ | 22,118 | $ | 20,867 | |||||||||||||
| Capitalized interest | (41 | ) | (39 | ) | (74 | ) | (60 | ) | (63 | ) | (85 | ) | (88 | ) | |||||||||||||
| Consolidated net income attributable to the noncontrolling interest | (307 | ) | (297 | ) | (757 | ) | (688 | ) | (604 | ) | (513 | ) | (499 | ) | |||||||||||||
| Adjusted income before income taxes | 11,818 | 11,709 | 24,906 | 23,650 | 22,871 | 21,520 | 20,280 | ||||||||||||||||||||
| Fixed charges: | |||||||||||||||||||||||||||
Interest (1) | 1,204 | 1,167 | 2,325 | 2,382 | 2,268 | 2,160 | 2,267 | ||||||||||||||||||||
| Interest component of rent | 432 | 412 | 859 | 790 | 651 | 597 | 406 | ||||||||||||||||||||
| Total fixed charges | 1,636 | 1,579 | 3,184 | 3,172 | 2,919 | 2,757 | 2,673 | ||||||||||||||||||||
| Income before income taxes and fixed charges | $ | 13,454 | $ | 13,288 | $ | 28,090 | $ | 26,822 | $ | 25,790 | $ | 24,277 | $ | 22,953 | |||||||||||||
| Ratio of earnings to fixed charges | 8.2 | 8.4 | 8.8 | 8.5 | 8.8 | 8.8 | 8.6 | ||||||||||||||||||||
