Net Change in Operating Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2011

Net Change in Operating Assets and Liabilities (Tables) [Abstract]

Net Changes in Operating Assets and Liabilities

		Years Ended December 31,
		2011		2010		2009
Decrease (increase) in operating assets:
	Trade and accounts receivable	$	52	$	(153)	$	42
	Inventories, stockpiles and ore on leach pads		(495)		(501)		(378)
	EGR refinery assets		(266)		116		(508)
	Other assets		(51)		(87)		(19)
Increase (decrease) in operating liabilities:
	Accounts payable and other accrued liabilities		226		38		177
	EGR refinery liabilities		266		(116)		508
	Reclamation liabilities		(43)		(51)		(49)
		$	(311)	$	(754)	$	(227)