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Debt - Schedule of Company's Long-Term Debt (Detail) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Debt Instrument [Line Items] |  |
Total long-term debt | $ 3,303 | $ 2,533
Less due within one year | 108 | 139
Total long term non current debt | 3,195 | 2,394
Three Point Six Two Five Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Total long-term debt | 746 | 746
Four Point One Five Zero Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Total long-term debt | 643 | 643
One Point Nine Zero Zero Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Total long-term debt | 657 | 576
One Point Five Zero Zero Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Total long-term debt | 717 |
Three Point One Zero Zero Senior Notes [Member] |  |
Debt Instrument [Line Items] |  |
Total long-term debt | 338 | 315
Bank Term Debt [Member] |  |
Debt Instrument [Line Items] |  |
Total long-term debt | 99 | 117
Government Loans [Member] |  |
Debt Instrument [Line Items] |  |
Total long-term debt | 84 | 92
Other Long Term Debt [Member] |  |
Debt Instrument [Line Items] |  |
Total long-term debt | $ 19 | $ 44

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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + 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(a)(16)) -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(16)) -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 -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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