v3.8.0.1

Stock-Based Compensation Stock Option Plans By Exercise Price Range (Details) shares in Millions | 12 Months Ended
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Dec. 31, 2017 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Options outstanding (in shares) | shares | 10.9
Options outstanding, average remaining life | 6 years 4 months
Options exercisable (in shares) | shares | 5.2
Exercise Price Range $12.83 to $23.78 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise price range, minimum (in dollars per share) | $ 12.83
Exercise price range, maximum (in dollars per share) | $ 23.78
Options outstanding (in shares) | shares | 1.4
Options outstanding (in dollars per share) | $ 17.11
Options outstanding, average remaining life | 2 years
Options exercisable (in shares) | shares | 1.4
Options exercisable (in dollars per share) | $ 17.11
Exercise Price Range $23.79 to $29.75 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise price range, minimum (in dollars per share) | 23.79
Exercise price range, maximum (in dollars per share) | $ 29.75
Options outstanding (in shares) | shares | 1.6
Options outstanding (in dollars per share) | $ 25.00
Options outstanding, average remaining life | 4 years
Options exercisable (in shares) | shares | 1.6
Options exercisable (in dollars per share) | $ 25.00
Exercise Price Range $29.76 to $42.17 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise price range, minimum (in dollars per share) | 29.76
Exercise price range, maximum (in dollars per share) | $ 42.17
Options outstanding (in shares) | shares | 2.4
Options outstanding (in dollars per share) | $ 34.77
Options outstanding, average remaining life | 6 years
Options exercisable (in shares) | shares | 1.4
Options exercisable (in dollars per share) | $ 34.26
Exercise Price Range $42.18 to $57.25 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise price range, minimum (in dollars per share) | 42.18
Exercise price range, maximum (in dollars per share) | $ 57.25
Options outstanding (in shares) | shares | 3.7
Options outstanding (in dollars per share) | $ 43.73
Options outstanding, average remaining life | 8 years
Options exercisable (in shares) | shares | 0.8
Options exercisable (in dollars per share) | $ 43.77
Exercise Price Range $57.26 to $71.85 [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Exercise price range, minimum (in dollars per share) | 57.26
Exercise price range, maximum (in dollars per share) | $ 71.85
Options outstanding (in shares) | shares | 1.8
Options outstanding (in dollars per share) | $ 58.11
Options outstanding, average remaining life | 9 years
Options exercisable (in shares) | shares | 0.0
Options exercisable (in dollars per share) | $ 0.00

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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