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Income Tax - Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Millions | Dec. 31, 2016 | Dec. 31, 2015
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Income Tax Disclosure [Abstract] |  |
Tax loss carryforwards and investment credits | $ 804 | $ 827
Less unrecognized tax benefit | (195) | (180)
Tax loss carryforwards net of unrecognized tax benefit | 609 | 647
Inventory valuation | 29 | 22
Impairment and restructuring charges | 20 | 15
Fixed asset depreciation in arrears | 34 | 44
Capitalized development costs | 91 | 80
Receivables for government funding | 7 | 5
Tax credits granted on past capital investments | 1,165 | 1,156
Pension service costs | 68 | 73
Commercial accruals | 19 | 21
Other temporary differences | 92 | 86
Total deferred tax assets | 2,134 | 2,149
Valuation allowances | (1,577) | (1,585)
Deferred tax assets, net | 557 | 564
Accelerated fixed asset depreciation | (10) | (16)
Acquired intangible assets | (8) | (11)
Advances of government funding | (16) | (16)
Other temporary differences |  | (8)
Deferred tax liabilities | (34) | (51)
Net deferred income tax asset | $ 523 | $ 513

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- Definition Amount of deferred tax liability attributable to taxable temporary differences. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(15)(b)(2)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(15)(2)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Deferred Tax Liability -URI http://asc.fasb.org/extlink&oid=6510232 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(26)(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(26)(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319 + Details
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