Consolidated Statement of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Statement of Comprehensive Income 'Unaudited' [Abstract]
Net earnings	$ (14,654)us-gaap_ProfitLoss	$ 1,956us-gaap_ProfitLoss
Less net earnings (loss) attributable to noncontrolling interests	91	11
Net earnings (loss) attributable to the Company	(14,745)us-gaap_NetIncomeLoss	1,945us-gaap_NetIncomeLoss
Other comprehensive income (loss)
Investment securities	197	484
Currency translation adjustments	(1,847)	(84)
Cash flow hedges	10	68
Benefit plans	10	(18)
Other comprehensive income (loss)	(1,630)	450
Less: Other comprehensive income (loss) attributable to noncontrolling interests	(32)	2
Other comprehensive income attributable to Company	(1,598)	448
Comprehensive income	(16,284)	2,406
Less: Comprehensive income (loss) attributable to noncontrolling interests	59	13
Comprehensive income attributable to Company	$ (16,343)us-gaap_ComprehensiveIncomeNetOfTax	$ 2,393us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

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