v2.4.1.9
Balance Sheet Information (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Schedule Of Condensed Consolidating Balance Sheets [Line Items]    
Accounts payable $ 5,598us-gaap_AccountsPayableCurrent $ 4,954us-gaap_AccountsPayableCurrent
Accrued expenses 4,016us-gaap_AccruedLiabilitiesCurrent 3,954us-gaap_AccruedLiabilitiesCurrent
Accrued vacation, salaries and wages 4,131us-gaap_AccruedEmployeeBenefitsCurrent 4,790us-gaap_AccruedEmployeeBenefitsCurrent
Interest payable 1,478us-gaap_InterestPayableCurrent 1,199us-gaap_InterestPayableCurrent
Taxes payable 1,457us-gaap_TaxesPayableCurrent 1,556us-gaap_TaxesPayableCurrent
Total accounts payable and accrued liabilities 16,680us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent 16,453us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
Advance billings and customer deposits 3,125us-gaap_CustomerAdvancesAndDeposits 2,829us-gaap_CustomerAdvancesAndDeposits
Dividends payable 2,307us-gaap_DividendsPayableCurrent 1,539us-gaap_DividendsPayableCurrent
Other 3,217us-gaap_OtherLiabilities 2,296us-gaap_OtherLiabilities
Total other current liabilities $ 8,649us-gaap_OtherLiabilitiesCurrent $ 6,664us-gaap_OtherLiabilitiesCurrent