Note 9 - Business Segments (Detail) - Operating Revenues (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
JBI [Member]
Segment revenues	$ 676	$ 526	$ 1,253	$ 994
DCS [Member]
Segment revenues	264	229	503	437
JBT [Member]
Segment revenues	130	125	249	237
ICS [Member]
Segment revenues	89	70	164	131
Subtotal [Member]
Segment revenues	1,159	950	2,169	1,799
Inter Segment Eliminations [Member]
Segment revenues	(9)	(7)	(18)	(12)
Total [Member]
Segment revenues	$ 1,150	$ 943	$ 2,151	$ 1,787