Debt	6 Months Ended
Mar. 31, 2020
Debt Disclosure [Abstract]
Debt	Debt While the Company deemed its liquidity sufficient to fund its operations and meet its obligations, the Company has taken steps, as a precautionary measure, to preserve its financial flexibility in light of the uncertainty in the global markets resulting from the COVID-19 pandemic. In March 2020, the Company entered into a 364-day $1.4 billion senior unsecured term loan facility and later in March 2020, this agreement was amended to increase the borrowing capacity available under the facility to $2.0 billion. Borrowings outstanding under the term loan facility were $1.9 billion at March 31, 2020 and these proceeds are included in the Company's balance of Cash and equivalents at March 31, 2020. In April 2020, the Company entered into a supplement to its existing $2.25 billion senior unsecured revolving credit facility which increased the revolving commitments available to the Company under revolving credit facility by $381 million. As such, the Company's senior unsecured revolving credit facility currently provides borrowings of up to $2.63 billion. Proceeds from this facility are used to fund general corporate needs and borrowings outstanding under the revolving credit facility at March 31, 2020 were $695 million.

Debt

6 Months Ended

Mar. 31, 2020

While the Company deemed its liquidity sufficient to fund its operations and meet its obligations, the Company has taken steps, as a precautionary measure, to preserve its financial flexibility in light of the uncertainty in the global markets resulting from the COVID-19 pandemic. In March 2020, the Company entered into a 364-day $1.4 billion senior unsecured term loan facility and later in March 2020, this agreement was amended to increase the borrowing capacity available under the facility to $2.0 billion. Borrowings outstanding under the term loan facility were $1.9 billion at March 31, 2020 and these proceeds are included in the Company's balance of Cash and equivalents at March 31, 2020.

In April 2020, the Company entered into a supplement to its existing $2.25 billion senior unsecured revolving credit facility which increased the revolving commitments available to the Company under revolving credit facility by $381 million. As such, the Company's senior unsecured revolving credit facility currently provides borrowings of up to $2.63 billion. Proceeds from this facility are used to fund general corporate needs and borrowings outstanding under the revolving credit facility at March 31, 2020 were $695 million.