Debt	3 Months Ended
Dec. 31, 2016
Debt Disclosure [Abstract]
Debt	Note 8 — Debt UGI Utilities Pursuant to a Note Purchase Agreement, in October 2016, UGI Utilities issued $100 aggregate principal amount of 4.12% Senior Notes due October 2046 (the “UGI Utilities 4.12% Senior Notes”). The net proceeds of the issuance of the UGI Utilities 4.12% Senior Notes were used (1) to provide additional financing for UGI Utilities’ infrastructure replacement and betterment capital program and information technology initiatives; and (2) for general corporate purposes. The UGI Utilities 4.12% Senior Notes are unsecured and rank equally with UGI Utilities’ existing outstanding senior debt. AmeriGas Propane In December 2016, AmeriGas Partners issued, in an underwritten offering, $700 principal amount of 5.50% Senior Notes due May 2025 (the “AmeriGas Partners’ 5.50% Senior Notes”). The AmeriGas Partners’ 5.50% Senior Notes rank equally with AmeriGas Partners’ existing outstanding senior notes. The net proceeds from the issuance of the AmeriGas Partners’ 5.50% Senior Notes were used for (1) the early repayment, pursuant to a tender offer, of a portion of AmeriGas Partners’ 7.00% Senior Notes having an aggregate principal balance of $500.0 plus accrued and unpaid interest and early redemption premiums, (2) repayment of short-term borrowings and (3) general corporate purposes. For the three months ended December 31, 2016, the Partnership recognized a loss of $33.2 associated with the early repayment of a portion of the AmeriGas Partners’ 7.00% Senior Notes, comprising $28.7 of early redemption premiums and the write-off of $4.5 of unamortized debt issuance costs. The loss is reflected in “Loss on extinguishment of debt” on the Condensed Consolidated Statements of Income.

Note 8 — Debt

UGI Utilities

Pursuant to a Note Purchase Agreement, in October 2016, UGI Utilities issued $100 aggregate principal amount of 4.12% Senior Notes due October 2046 (the “UGI Utilities 4.12% Senior Notes”). The net proceeds of the issuance of the UGI Utilities 4.12% Senior Notes were used (1) to provide additional financing for UGI Utilities’ infrastructure replacement and betterment capital program and information technology initiatives; and (2) for general corporate purposes. The UGI Utilities 4.12% Senior Notes are unsecured and rank equally with UGI Utilities’ existing outstanding senior debt.

AmeriGas Propane

In December 2016, AmeriGas Partners issued, in an underwritten offering, $700 principal amount of 5.50% Senior Notes due May 2025 (the “AmeriGas Partners’ 5.50% Senior Notes”). The AmeriGas Partners’ 5.50% Senior Notes rank equally with AmeriGas Partners’ existing outstanding senior notes. The net proceeds from the issuance of the AmeriGas Partners’ 5.50% Senior Notes were used for (1) the early repayment, pursuant to a tender offer, of a portion of AmeriGas Partners’ 7.00% Senior Notes having an aggregate principal balance of $500.0 plus accrued and unpaid interest and early redemption premiums, (2) repayment of short-term borrowings and (3) general corporate purposes. For the three months ended December 31, 2016, the Partnership recognized a loss of $33.2 associated with the early repayment of a portion of the AmeriGas Partners’ 7.00% Senior Notes, comprising $28.7 of early redemption premiums and the write-off of $4.5 of unamortized debt issuance costs. The loss is reflected in “Loss on extinguishment of debt” on the Condensed Consolidated Statements of Income.