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Amount of liability recognized arising from contingent consideration in a business combination.

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Percentage of equity in the acquiree held by the acquirer immediately before the acquisition date in a business combination.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Fair value of equity issued in a business combination.

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The amount or range of possible amounts of gain that could be realized upon the resolution of a contingency.

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Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of loss contingency liability.

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The increases or decreases in lease payments that result from changes occurring after the inception of the lease in the factors (other than the passage of time) on which lease payments are based, except that any escalation of minimum lease payments relating to increases in construction or acquisition cost of the leased property or for increases in some measure of cost or value during the construction or preconstruction period, are excluded from contingent rentals. Contingent rentals also may include amounts for which the triggering events have not yet occurred or the specified targets for which have not yet been achieved (such as sales based percentage rent), but which events are considered probable of occurring or which specified targets are considered probable of being achieved.

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Cash outflows made during the period for environmental remediation activities.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period.

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Regulatory Matters, Commitments, Contingencies And Environmental Liabilities (Narrative) (Details)	1 Months Ended			12 Months Ended
	Feb. 28, 2017 USD ($)	Oct. 31, 2015 USD ($)	Apr. 30, 2015 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Feb. 01, 2017 USD ($)	Apr. 30, 2016 USD ($)	Jan. 31, 2012 USD ($)
Payments for Environmental Liabilities				$ 43,000,000	$ 38,000,000
Lease Expiration Date				Dec. 31, 2034
Operating leases rent expense				$ 129,000,000	205,000,000	$ 98,000,000
Total environmental liabilities				385,000,000	368,000,000
Operating Leases, Rent Expense, Contingent Rentals				$ 23,000,000	26,000,000	$ 24,000,000
Site Contingency, Number of Sites Needing Remediation				50
Proposed Environmental Penalty				$ 0
Payments to Acquire Businesses, Gross		$ 382,000,000
Long-term Debt				43,802,000,000	36,968,000,000
AmeriGas [Member]
Contingent Residual Support Agreement Obligation									$ 1,550,000,000
Sunoco LP [Member]
Long-term Debt				4,514,000,000	1,958,000,000
Related To Deductibles [Member]
Accrual for loss contingency				$ 93,000,000	40,000,000
MTBE Sites [Member]
Site Contingency, Number of Sites Needing Remediation				19
Compensatory Damages [Member]
Gain Contingency, Unrecorded Amount				$ 319,000,000
Disgorgement [Member]
Gain Contingency, Unrecorded Amount				595,000,000
Expense Reimbursement [Member]
Gain Contingency, Unrecorded Amount				1,000,000
Final Judgement [Member]
Gain Contingency, Unrecorded Amount				536,000,000
New Mexico Environmental Department [Member]
Total environmental liabilities				250,000
Civil penalties				465,000
Texas Commission on Environmental Quality [Member]
Total environmental liabilities				50,000
Supplemental Environmental Project [Member]
Proposed Environmental Penalty				$ 21,000
Dropdown of Sunoco LLC Interest [Member]
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage			31.58%
Payments to Acquire Businesses, Gross			$ 775,000,000
Equity Issued in Business Combination, Fair Value Disclosure			$ 41,000,000
6.375% Senior Notes due April 2023 [Member] \| Sunoco LP [Member]
Debt Instrument, Interest Rate, Stated Percentage				6.375%
Senior Notes				$ 800,000,000	800,000,000
6.25% Senior Notes due 2021 [Member] \| Sunoco LP [Member]
Debt Instrument, Interest Rate, Stated Percentage				6.25%				6.25%
Senior Notes				$ 800,000,000	$ 0			$ 800,000,000
Term loan due 2019 [Member] \| Sunoco LP [Member]
Long-term Debt				$ 2,035,000,000
Subsequent Event [Member] \| AmeriGas [Member]
Debt Instrument, Interest Rate, Stated Percentage							7.00%
Contingent Residual Support Agreement Obligation							$ 122,000,000
Repayments of Senior Debt	$ 378,000,000