Consolidated Statement Of Income (U.S. GAAP) (Parenthetical) (CAD) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Federal excise tax included in operating revenues	1,423	[1]	1,338	[1]	1,320	[1]
Amounts from related parties included in operating revenues	2,385		2,907		2,818
Amounts from related parties included in purchases of crude oil and products	4,104		3,033		3,636
Amounts to related parties included in production and manufacturing expenses	319		241		217

[1] Operating revenues include federal excise tax of $1,423 million (2012 - $1,338 million, 2011 - $1,320 million).