Commitments and Contingencies (Details 1) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
Environmental Commitments and Contingencies (Amounts in Paragraphs)
Amounts accrued for probable environmental remediation costs	$ 338
Financial Arrangements (Amounts in Paragraph)
Unused standby letters of credit and bank guarantees	345
Surety Bond Outstanding	157
Other Current Liabilities [Member]
Environmental Commitments and Contingencies (Amounts in Paragraphs)
Amounts accrued for probable environmental remediation costs	100
Other Noncurrent Liabilities [Member]
Environmental Commitments and Contingencies (Amounts in Paragraphs)
Amounts accrued for probable environmental remediation costs	238
Inventory for Long Term Contracts or Programs, Gross [Member]
Environmental Commitments and Contingencies (Amounts in Paragraphs)
Amounts accrued for probable environmental remediation costs	51
Other Noncurrent Assets [Member]
Environmental Commitments and Contingencies (Amounts in Paragraphs)
Amounts accrued for probable environmental remediation costs	128
Environmental Issue [Member]
Environmental Commitments and Contingencies (Amounts in Paragraphs)
Low-end of the range of reasonably possible future costs for environmental remediation sites	319
High-end of the range of reasonably possible future costs for environmental remediation sites	$ 806