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Intangible Assets (Schedule Of Intangible Assets) (Detail) - USD ($) $ in Millions | Jun. 30, 2016 | Dec. 31, 2015
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Finite And Indefinite Lived Intangible Assets [Line Items] |  |
Amortized Intangible Assets, Gross Carrying Amount | $ 530 | $ 526
Amortized Intangible Assets, Accumulated Amortization | 186 | 157
Amortized Intangible Assets, Net Carrying Amount | 344 | 369
Unamortized Intangible Assets, Goodwill, Gross Carrying Amount | 1,004 | 973
License Agreements [Member] |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |
Amortized Intangible Assets, Gross Carrying Amount | 267 | 263
Amortized Intangible Assets, Accumulated Amortization | 96 | 81
Amortized Intangible Assets, Net Carrying Amount | 171 | 182
Customer Relationships [Member] |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |
Amortized Intangible Assets, Gross Carrying Amount | 225 | 222
Amortized Intangible Assets, Accumulated Amortization | 80 | 68
Amortized Intangible Assets, Net Carrying Amount | 145 | 154
Other Intangible Assets [Member] |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |
Amortized Intangible Assets, Gross Carrying Amount | 38 | 41
Amortized Intangible Assets, Accumulated Amortization | 10 | 8
Amortized Intangible Assets, Net Carrying Amount | 28 | 33
Goodwill [Member] |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |
Unamortized Intangible Assets, Goodwill, Gross Carrying Amount | 1,004 | 973
Trademarks [Member] |  |
Finite And Indefinite Lived Intangible Assets [Line Items] |  |
Unamortized Intangible Assets, Trademarks, Gross Carrying Amount | $ 552 | $ 548

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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