Share-based Payments Share-Based Payments (Details 7) - Performance units	12 Months Ended
	Dec. 31, 2016 shares
Share-based Compensation Arrangement by Share-based Payment Award
Beginning Balance, Unvested, Shares	103,000,000
Shares, Granted	55,000,000	[1]
Shares, Vested	(31,000,000)
Shares, Forfeited	(17,000,000)
Ending Balance, Unvested, Shares	110,000,000

[1] CSPUs granted in 2016 include awards granted in conjunction with our annual awards made in February 2016 and CSPUs granted in conjunction with the hiring of employees. These grants reflect the target number of shares eligible to be earned at the time of grant.