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Guarantee of Registered Securities - Narrative (Details) | Dec. 31, 2015
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3.125% Senior Notes Percent Due 2016 [Member] |
Condensed Financial Statements, Captions [Line Items] |
Interest rate on debt ( in percentage) | 3.125%
5.00% Senior Notes due September 2020 |
Condensed Financial Statements, Captions [Line Items] |
Interest rate on debt ( in percentage) | 5.00%
8.205% Junior Subordinated Deferrable Interest Debentures Percent Due 2027 [Member] |
Condensed Financial Statements, Captions [Line Items] |
Interest rate on debt ( in percentage) | 8.205%
6.25% Senior Notes due September 2040 |
Condensed Financial Statements, Captions [Line Items] |
Interest rate on debt ( in percentage) | 6.25%
4.250% Notes Due 2042 [Member] |
Condensed Financial Statements, Captions [Line Items] |
Interest rate on debt ( in percentage) | 4.25%
4.45% Senior Notes due May 2043 |
Condensed Financial Statements, Captions [Line Items] |
Interest rate on debt ( in percentage) | 4.45%
4.00% Senior Notes due November 2023 |
Condensed Financial Statements, Captions [Line Items] |
Interest rate on debt ( in percentage) | 4.00%
2.875% Senior Notes due May 2026 (EUR 500M) |
Condensed Financial Statements, Captions [Line Items] |
Interest rate on debt ( in percentage) | 2.875%
3.50% Senior Notes due June 2024 |
Condensed Financial Statements, Captions [Line Items] |
Interest rate on debt ( in percentage) | 3.50%
4.60% notes due May 2044 [Member] |
Condensed Financial Statements, Captions [Line Items] |
Interest rate on debt ( in percentage) | 4.60%
4.75% Senior Notes due 2045 | Senior Notes [Member] |
Condensed Financial Statements, Captions [Line Items] |
Interest rate on debt ( in percentage) | 4.75%
2.80% Senior Notes due 2021 | Senior Notes [Member] |
Condensed Financial Statements, Captions [Line Items] |
Interest rate on debt ( in percentage) | 2.80%

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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