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Quarterly Financial Data (Unaudited) | 12 Months Ended
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Sep. 02, 2018
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data (Unaudited) | Note 12—Quarterly Financial Data (Unaudited) The two tables that follow reflect the unaudited quarterly results of operations for 2018 and 2017.
| 52 Weeks Ended September 2, 2018
| First Quarter (12 Weeks) |  | Second Quarter (12 Weeks) |  | Third Quarter (12 Weeks) |  | Fourth Quarter (16 Weeks) |  | Total (52 Weeks)
REVENUE |  |  |  |  |  |  |  |  |
Net sales | $ | 31,117 |  |  | $ | 32,279 |  |  | $ | 31,624 |  |  | $ | 43,414 |  |  | $ | 138,434 |
Membership fees | 692 |  |  | 716 |  |  | 737 |  |  | 997 |  |  | 3,142 |
Total revenue | 31,809 |  |  | 32,995 |  |  | 32,361 |  |  | 44,411 |  |  | 141,576 |
OPERATING EXPENSES |  |  |  |  |  |  |  |  |
Merchandise costs | 27,617 |  |  | 28,733 |  |  | 28,131 |  |  | 38,671 |  |  | 123,152 |
Selling, general and administrative | 3,224 |  |  | 3,234 |  |  | 3,155 |  |  | 4,263 |  |  | 13,876 |
Preopening expenses | 17 |  |  | 12 |  |  | 8 |  |  | 31 |  |  | 68 |
Operating income | 951 |  |  | 1,016 |  |  | 1,067 |  |  | 1,446 |  |  | 4,480 |
OTHER INCOME (EXPENSE) |  |  |  |  |  |  |  |  |
Interest expense | (37 | ) |  | (37 | ) |  | (37 | ) |  | (48 | ) |  | (159 | )
Interest income and other, net | 22 |  |  | 7 |  |  | 41 |  |  | 51 |  |  | 121 |
INCOME BEFORE INCOME TAXES | 936 |  |  | 986 |  |  | 1,071 |  |  | 1,449 |  |  | 4,442 |
Provision for income taxes | 285 |  |  | 273 |  |  | 309 |  |  | 396 |  |  | 1,263 |
Net income including noncontrolling interests | 651 |  |  | 713 |  |  | 762 |  |  | 1,053 |  |  | 3,179 |
Net income attributable to noncontrolling interests | (11 | ) |  | (12 | ) |  | (12 | ) |  | (10 | ) |  | (45 | )
NET INCOME ATTRIBUTABLE TO COSTCO | $ | 640 |  |  | $ | 701 |  |  | $ | 750 |  |  | $ | 1,043 |  |  | $ | 3,134 |
NET INCOME PER COMMON SHARE ATTRIBUTABLE TO COSTCO: |  |  |  |  |  |  |  |  |
Basic | $ | 1.46 |  |  | $ | 1.60 |  |  | $ | 1.71 |  |  | $ | 2.38 |  |  | $ | 7.15 |
Diluted | $ | 1.45 |  |  | $ | 1.59 |  |  | $ | 1.70 |  |  | $ | 2.36 |  |  | $ | 7.09 |
Shares used in calculation (000’s) |  |  |  |  |  |  |  |  |
Basic | 437,965 |  |  | 439,022 |  |  | 438,740 |  |  | 438,379 |  |  | 438,515 |
Diluted | 440,851 |  |  | 441,568 |  |  | 441,715 |  |  | 442,427 |  |  | 441,834 |
CASH DIVIDENDS DECLARED PER COMMON SHARE | $ | 0.50 |  |  | $ | 0.50 |  |  | $ | 0.57 |  |  | $ | 0.57 |  |  | $ | 2.14 |
| 53 Weeks Ended September 3, 2017
| First Quarter (12 Weeks) |  | Second Quarter (12 Weeks) |  | Third Quarter (12 Weeks) |  | Fourth Quarter (17 Weeks) |  | Total (53 Weeks)
REVENUE |  |  |  |  |  |  |  |  |
Net sales | $ | 27,469 |  |  | $ | 29,130 |  |  | $ | 28,216 |  |  | $ | 41,357 |  |  | $ | 126,172 |
Membership fees | 630 |  |  | 636 |  |  | 644 |  |  | 943 |  |  | 2,853 |
Total revenue | 28,099 |  |  | 29,766 |  |  | 28,860 |  |  | 42,300 |  |  | 129,025 |
OPERATING EXPENSES |  |  |  |  |  |  |  |  |
Merchandise costs | 24,288 |  |  | 25,927 |  |  | 24,970 |  |  | 36,697 |  |  | 111,882 |
Selling, general and administrative | 2,940 |  |  | 2,980 |  |  | 2,907 |  |  | 4,123 |  |  | 12,950 |
Preopening expenses | 22 |  |  | 15 |  |  | 15 |  |  | 30 |  |  | 82 |
Operating income | 849 |  |  | 844 |  |  | 968 |  |  | 1,450 |  |  | 4,111 |
OTHER INCOME (EXPENSE) |  |  |  |  |  |  |  |  |
Interest expense | (29 | ) |  | (31 | ) |  | (21 | ) |  | (53 | ) |  | (134 | )
Interest income and other, net | 26 |  |  | (4 | ) |  | 18 |  |  | 22 |  |  | 62 |
INCOME BEFORE INCOME TAXES | 846 |  |  | 809 |  |  | 965 |  |  | 1,419 |  |  | 4,039 |
Provision for income taxes | 291 |  |  | 288 |  |  | 259 |  | (1) | 487 |  |  | 1,325 |
Net income including noncontrolling interests | 555 |  |  | 521 |  |  | 706 |  |  | 932 |  |  | 2,714 |
Net income attributable to noncontrolling interests | (10 | ) |  | (6 | ) |  | (6 | ) |  | (13 | ) |  | (35 | )
NET INCOME ATTRIBUTABLE TO COSTCO | $ | 545 |  |  | $ | 515 |  |  | $ | 700 |  |  | $ | 919 |  |  | $ | 2,679 |
NET INCOME PER COMMON SHARE ATTRIBUTABLE TO COSTCO: |  |  |  |  |  |  |  |  |
Basic | $ | 1.24 |  |  | $ | 1.17 |  |  | $ | 1.59 |  |  | $ | 2.10 |  |  | $ | 6.11 |
Diluted | $ | 1.24 |  |  | $ | 1.17 |  |  | $ | 1.59 |  |  | $ | 2.08 |  |  | $ | 6.08 |
Shares used in calculation (000’s) |  |  |  |  |  |  |  |  |
Basic | 438,007 |  |  | 439,127 |  |  | 438,817 |  |  | 437,987 |  |  | 438,437 |
Diluted | 440,525 |  |  | 440,657 |  |  | 441,056 |  |  | 441,036 |  |  | 440,937 |
CASH DIVIDENDS DECLARED PER COMMON SHARE | $ | 0.45 |  |  | $ | 0.45 |  |  | $ | 7.50 |  | (2) | $ | 0.50 |  |  | $ | 8.90 |
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(1) | Includes an $82 tax benefit recorded in the third quarter in connection with the special cash dividend paid to employees through the Company's 401(k) Retirement Plan.
(2) | Includes the special cash dividend of $7.00 per share paid in May 2017.

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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