Annual report pursuant to Section 13 and 15(d)

Earnings Per Share (Computation Of Basic and Diluted Earnings (Loss) Per Share) (Details)

v3.7.0.1
Earnings Per Share (Computation Of Basic and Diluted Earnings (Loss) Per Share) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended 12 Months Ended
Jan. 28, 2017
Oct. 29, 2016
Jul. 30, 2016
Apr. 30, 2016
Jan. 30, 2016
Oct. 31, 2015
Aug. 01, 2015
May 02, 2015
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Earnings Per Share [Abstract]                      
Net income attributable to Macy's, Inc. shareholders $ 475 $ 17 $ 11 $ 116 $ 544 $ 118 $ 217 $ 193 $ 619 $ 1,072 $ 1,526
Net income (loss) available to common stockholders, basic                 619 1,072 1,526
Net income (loss) available to common stockholders, diluted                 $ 619 $ 1,072 $ 1,526
Basic earnings per share attributable to Macy's, Inc. shareholders $ 1.56 $ 0.05 $ 0.03 $ 0.37 $ 1.74 $ 0.36 $ 0.65 $ 0.57 $ 2.01 $ 3.26 $ 4.30
Diluted earnings per share attributable to Macy's, Inc. shareholders $ 1.54 $ 0.05 $ 0.03 $ 0.37 $ 1.73 $ 0.36 $ 0.64 $ 0.56 $ 1.99 $ 3.22 $ 4.22
Average number of shares issued, basic                 307.6 327.6 354.3
Net income                 $ 611 $ 1,070 $ 1,526
Shares to be issued under deferred compensation and other plans                 0.9 0.8 0.9
Average number of shares outstanding, basic                 308.5 328.4 355.2
Effect of dilutive securities-stock options, restricted stock and restricted stock units                 2.3 4.6 6.5
Average number of shares outstanding, diluted                 310.8 333.0 361.7