XML 75 R44.htm IDEA: XBRL DOCUMENT v3.10.0.1
Debt (Details) - USD ($)
$ in Millions
Sep. 30, 2018
Dec. 31, 2017
Debt Instrument [Line Items]    
Total short-term debt $ 15,376 $ 17,225
Unamortized discount 0 (1)
Unamortized debt issuance costs (224) (228)
Fair value adjustments (559) (21)
Total long-term debt 122,854 120,603
Total debt $ 138,230 $ 137,828
Average Contractual (interest rate) 2.80% 2.60%
Average Effective (interest rate) 2.80% 2.60%
Debt Carrying Value Fair Value $ 39,100 $ 39,000
Fair value of short-term debt 13,800 16,400
Floating Rate Demand Notes [Member]    
Debt Instrument [Line Items]    
Total short-term debt 5,939 5,660
Unsecured commercial paper [Member]    
Debt Instrument [Line Items]    
Total short-term debt 4,175 4,889
Other short-term debt [Member]    
Debt Instrument [Line Items]    
Total short-term debt 3,698 5,890
Asset-backed Securities [Member]    
Debt Instrument [Line Items]    
Total short-term debt 1,564 786
Notes payable within one year 19,139 17,817
Notes payable after one year $ 34,784 $ 34,051
Total short-term debt [Member]    
Debt Instrument [Line Items]    
Average Contractual (interest rate) 3.10% 3.00%
Average Effective (interest rate) 3.10% 3.00%
Unsecured Debt [Member]    
Debt Instrument [Line Items]    
Notes payable within one year $ 13,123 $ 13,298
Notes payable after one year $ 56,591 $ 55,687
Total long-term debt [Member]    
Debt Instrument [Line Items]    
Average Contractual (interest rate) 2.70% 2.50%
Average Effective (interest rate) 2.80% 2.60%
Fair Value, Measurements, Nonrecurring [Member] | Level 2 [Member]    
Debt Instrument [Line Items]    
Fair value of debt $ 138,374 $ 139,677