v2.4.0.6
Notes Payable and Long-Term Debt (Details) (USD $)
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2012
Fixed rate debt
Oct. 29, 2011
Commercial paper.
Oct. 27, 2012
Commercial paper.
Oct. 29, 2011
Commercial paper.
Short-term financing        
Maximum daily amount outstanding during the period   $ 1,211,000,000 $ 620,000,000 $ 1,211,000,000
Average daily amount outstanding during the period   351,000,000 134,000,000 227,000,000
Amount outstanding at period-end   1,211,000,000   1,211,000,000
Weighted average interest rate (as a percent)   0.11% 0.16% 0.11%
Notes Payable and Long-Term Debt        
Debt, amount issued $ 1,500,000,000      
Debt, fixed interest rate (as a percent) 4.00%