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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended		1 Months Ended		1 Months Ended
	Apr. 30, 2013 Fianzas Monterrey [Member]	Apr. 02, 2013 Fianzas Monterrey [Member]	May 31, 2013 ABA Seguros [Member]	May 02, 2013 ABA Seguros [Member]	Jan. 31, 2013 PT Asuransi Jaya Proteksi (JaPro) [Member]	Jan. 03, 2013 PT Asuransi Jaya Proteksi (JaPro) [Member]	Sep. 18, 2012 PT Asuransi Jaya Proteksi (JaPro) [Member]
Business Acquisition [Line Items]
Acquisition purchase price	$ 293		$ 690		$ 107
Business Acquisition, Percentage of Voting Interests Acquired						20.00%	80.00%
Business Acquisition, Purchase Price Allocation, Goodwill Amount		135		283
Business Acquisition, Purchase Price Allocation, Intangible Assets Other than Goodwill		$ 73		$ 140