Other liabilities and deferred credits

12 Months Ended

Dec. 31, 2011

Notes To Financial Statements [Abstract]

Other liabilities and deferred credits

8 – Other liabilities and deferred credits

In millions	December 31,		2011		2010
Personal injury and other claims provisions, net of current portion (Note 17)		$	226	$	263
Stock-based incentives liability, net of current portion (Note 11)			180		162
Environmental provisions, net of current portion (Note 17)			89		116
Deferred credits and other			267		282
Total other liabilities and deferred credits		$	762	$	823