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v3.7.0.1

Unsecured Debt (Details) | 1 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
May 31, 2017 USD ($) | Aug. 31, 2017 USD ($) | Jun. 30, 2017 USD ($) | Apr. 30, 2017 USD ($) debt_instrument | Jan. 31, 2017 USD ($)
Floating Rate Bank Loan Due Jan 2022 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt |  |  |  |  | $ 100,000,000
Fixed Rate Bank Loan Due 2033 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt |  |  |  |  | $ 800,000,000
Euro Denominated Loan Due 2033/2034 | Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Number of debt instruments | debt_instrument |  |  |  | 2 |
Line of credit facility, maximum borrowing capacity |  |  |  | $ 1,600,000,000.0 |
Loan Maturing in 2025/2026 | Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of credit facilities | $ 620,000,000 |  |  |  |
Loan Due in April 2028 | Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from lines of credit | $ 367,000,000 |  |  |  |
Euro Denominated Loan Due 2032 | Revolving Credit Facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  | $ 619,000,000 |  |
Commercial Paper |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Proceeds from short term debt |  | $ 111,000,000 |  |  |
Repayments of short term debt |  | 364,000,000 |  |  |
Commercial Paper | Euro-denominated commercial paper |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Current unsecured debt |  | 138,000,000 |  |  |
Commercial Paper | US-denominated commercial paper |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Current unsecured debt |  | 28,000,000 |  |  |
Euro-denominated bank loan | Euro-denominated bank loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Current unsecured debt |  | $ 16,000,000 |  |  |

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