Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share

	2012	2011	2012	2011
	$’M	$’M	$’M	$’M
	_________________	_________________	_________________	_________________
Numerator for basic earnings per share	227.2	192.9	703.4	609.7
Interest on convertible bonds, net of tax	7.5	8.4	23.7	25.2
	_________________	_________________	_________________	_________________
Numerator for diluted earnings per share	234.7	201.3	727.1	634.9
	_________________	_________________	_________________	_________________

Schedule of Weighted Average Number of Shares

Weighted average number of shares:
	Millions	Millions	Millions	Millions
	_________________	_________________	_________________	_________________
Basic 1	555.9	551.3	555.5	551.2
Effect of dilutive shares:
Share based awards to employees 2	3.7	9.0	5.0	10.4
Convertible bonds 2.75% due 2014 3	33.5	33.5	33.5	33.4
	_________________	_________________	_________________	_________________
Diluted	593.1	593.8	594.0	595.0
	_________________	_________________	_________________	_________________

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

	3 months to	3 months to	9 months to	9 months to
	September 30,	September 30,	September 30,	September 30,
	2012	2011	2012	2011
	No. of shares	No. of shares	No. of shares	No. of shares
	Millions	Millions	Millions	Millions
	_________________	_________________	_________________	_________________
Share based awards to employees1	6.6	3.2	4.9	3.9
	_________________	_________________	_________________	_________________