Reconciliation Between Net Income Loss Per Share Basic And Diluted (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Earnings Per Share [Line Items]
Income (loss) from continuing operations attributable to Hillshire Brands	$ 27	$ 42	$ 114	$ 29	$ 35	$ 42	$ 58	$ 49	$ 212	$ 184	$ (20)
Income from discontinued operations attributable to Hillshire Brands									1	68	865
Net income attributable to Hillshire Brands									$ 213	$ 252	$ 845
Average shares outstanding - basic									123	123	119
Dilutive effect of stock compensation									1	0	0
Diluted shares outstanding									124	123	119
Income (loss) from continuing operations	$ 0.22	$ 0.35	$ 0.92	$ 0.24	$ 0.29	$ 0.34	$ 0.47	$ 0.40	$ 1.72	$ 1.50	$ (0.16)
Income from discontinued operations, per common share - Basic									$ 0.01	$ 0.55	$ 7.29
Net income, per common share - Basic									$ 1.73	$ 2.05	$ 7.13
Income (loss) from continuing operations	$ 0.22	$ 0.34	$ 0.91	$ 0.23	$ 0.28	$ 0.34	$ 0.47	$ 0.40	$ 1.71	$ 1.49	$ (0.16)
Income from discontinued operations, per common share - Diluted									$ 0.01	$ 0.55	$ 7.29
Net income, per common share - Diluted									$ 1.72	$ 2.04	$ 7.13