Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Net income (loss) attributable to Navistar International Corporation	$ (2,769)	$ 84	$ (172)	$ (153)	$ 255	$ 1,400	$ 74	$ (6)	$ (3,010)	$ 1,723	$ 223
Foreign Currency Translation Adjustment									(125)	(19)	22
Defined benefit plans (net of tax of $14, $430, and $0 respectively)									(256)	(729)	472
Total other comprehensive income (loss)									(381)	(748)	494
Total comprehensive income (loss) attributable to Navistar International Corporation									$ (3,391)	$ 975	$ 717