Liabilities, Commitments And Contingencies (Schedule Of Accrued Liabilities) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract]
Accrued compensation and employee benefit costs	$ 5,868	$ 6,158
Environmental	601	649	710
Product warranties	1,504us-gaap_ProductWarrantyAccrual	1,570us-gaap_ProductWarrantyAccrual	1,572us-gaap_ProductWarrantyAccrual
Forward loss recognition	414us-gaap_ProvisionForLossOnContracts	360us-gaap_ProvisionForLossOnContracts
Dividends payable	637us-gaap_DividendsPayableCurrent	542us-gaap_DividendsPayableCurrent
Other	4,319us-gaap_OtherAccruedLiabilitiesCurrent	4,852us-gaap_OtherAccruedLiabilitiesCurrent
Total	$ 13,343us-gaap_AccruedLiabilitiesCurrent	$ 14,131us-gaap_AccruedLiabilitiesCurrent

Total costs accrued as of the balance sheet date for environmental loss contingencies.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 7

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

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-Glossary Current Liabilities

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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Cumulative provision for contract losses not offset against related costs accumulated on the balance sheet.

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-Topic 605

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