Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Movements Of Share Awards

Movements on share awards during the periods ended March 31, are detailed below:

	For the three months ended March 31, 2015					For the three months ended March 31, 2015
Millions of shares, except fair values	Time- Vested		Performance- Vested		Weighted Average Grant Date Fair Value ($)	Time- Vested		Performance- Vested
Unvested at the beginning of period	10.4		0.6		33.62	11.5		0.5
Granted during the period	6.2		0.4		27.30	3.9		0.3
Vested and distributed during the period	(4.1	)	(0.2	)	31.43	(4.3	)	(0.2	)
Unvested at the end of the period	12.5		0.8		31.20	11.1		0.6