Debt and Capital Lease Obligations (UPCB SPE Notes) (Narrative) (Details)					1 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2014 UPCB SPE Notes [Member] USD ($)	Dec. 31, 2013 UPCB SPE Notes [Member] USD ($)	Jan. 31, 2010 UPCB Finance I Senior Secured Notes [Member] USD ($)	Jan. 31, 2010 UPCB Finance I Senior Secured Notes [Member] EUR (€)	Dec. 31, 2014 UPCB Finance I Senior Secured Notes [Member] USD ($)	Dec. 31, 2014 UPCB Finance I Senior Secured Notes [Member] EUR (€)	Dec. 31, 2014 UPCB Finance II Senior Secured Notes [Member] USD ($)	Dec. 31, 2014 UPCB Finance II Senior Secured Notes [Member] EUR (€)	Dec. 31, 2014 UPCB Finance III, V & VI Senior Secured Notes [Member]	Dec. 31, 2014 UPCB Finance III Senior Secured Notes [Member] USD ($)	Dec. 31, 2014 UPCB Finance V Senior Secured Notes [Member] USD ($)	Dec. 31, 2014 UPCB Finance VI Senior Secured Notes [Member] USD ($)	Dec. 31, 2014 UPCB SPEs [Member]
Debt Instrument [Line Items]
Special purpose financing entities, percentage owned by charitable trust															100.00%
Principal amount of debt							$ 605,000,000	€ 500,000,000	$ 907,500,000	€ 750,000,000		$ 1,000,000,000	$ 750,000,000	$ 750,000,000
Stated interest rate of debt							7.625%	7.625%	6.375%	6.375%		6.625%	7.25%	6.875%
Original issuance discount					0.862%	0.862%
Proceeds from issuance of senior notes					699,700,000	495,700,000
Principal amount outstanding	44,612,200,000		4,012,500,000				605,000,000	500,000,000	907,500,000	750,000,000		1,000,000,000	750,000,000	750,000,000
Estimated fair value	46,151,100,000	44,229,000,000	4,279,000,000	4,536,500,000			631,900,000		954,000,000			1,054,400,000	821,700,000	817,000,000
Carrying value	$ 44,611,400,000	$ 42,856,000,000	$ 4,009,400,000	$ 4,219,500,000			$ 601,900,000		$ 907,500,000			$ 1,000,000,000	$ 750,000,000	$ 750,000,000
Debt instrument, redemption rate			100.00%								103.00%
Redemption rate limit			10.00%