Amortization of Waste, Service and Energy Contracts (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 Waste And Service Contracts Intangible Liabilities [Member]	Mar. 31, 2014 Waste Service And Energy Contracts Intangible Assets [Member]	Mar. 31, 2013 Pension Plan, Defined Benefit [Member]
Schedule of Amortization [Line Items]
Cost of Services, Amortization		$ 7
Cost Of Services Accretion	(3)
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months		22
Future Accretion Expense Year One	(8)
Finite-Lived Intangible Assets, Amortization Expense, Year Two		25
Future Accretion Expense Year Two	(6)
Finite-Lived Intangible Assets, Amortization Expense, Year Three		22
Future Accretion Expense Year Three	(6)
Finite-Lived Intangible Assets, Amortization Expense, Year Four		15
Future Accretion Expense Year Four	(4)
Finite-Lived Intangible Assets, Amortization Expense, Year Five		13
Future Accretion Expense Year Five	(2)
Finite-Lived Intangible Assets, Amortization Expense, after Year Five		249
Future Accretion Expense After Year Five	(1)
Finite-Lived Intangible Assets, Net		346
Accretion Expense	(27)
Defined Benefit Plan, Service Cost			$ (9)