Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Commercial paper notes	$ 418,405	$ 367,178
Fixed rate foreign borrowings	4,038	1,958
Variable-rate foreign bank loans	84,944	25,139
Variable rate domestic bank loans	24,737	0
Capital lease obligations	21,860	0
Miscellaneous	88	189
Total long-term debt	3,990,308	2,934,131
Less amounts due within one year	428,000	711,096
Long-term debt, less current portion	3,562,308	2,223,035
1.875% Senior Notes
Debt Instrument [Line Items]
Senior notes	776,060	844,315
3.00% Senior Notes
Debt Instrument [Line Items]
Senior notes	249,725	249,694
4.15% Senior Notes
Debt Instrument [Line Items]
Senior notes	423,634	423,561
4.50% Senior Notes
Debt Instrument [Line Items]
Senior notes	348,286	348,129
4.625% Senior Notes
Debt Instrument [Line Items]
Senior notes	1,289,543	0
5.10% Senior Notes
Debt Instrument [Line Items]
Senior notes	0	324,997
5.45% Senior Notes
Debt Instrument [Line Items]
Senior notes	$ 348,988	$ 348,971

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Variable Rate Domestic Borrowings

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Loans from foreign banks at variable interest rates.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 30

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Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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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.

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt and capital lease obligations including current maturities.

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Including both current and noncurrent portions, carrying amount as of the balance sheet date of other forms of debt not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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-Publisher FASB

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