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Earnings Per Share (Basic and Diluted Earnings Per Share) (Details) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
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Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Earnings Per Share [Abstract] |  |  |  |
Net earnings attributable to Altria Group, Inc. | $ 1,989 | $ 1,653 | $ 3,390 | $ 2,870
Less: Distributed and undistributed earnings attributable to unvested restricted shares and restricted stock units | (3) | (3) | (5) | (5)
Earnings for basic and diluted EPS | $ 1,986 | $ 1,650 | $ 3,385 | $ 2,865
Weighted-average shares for basic and diluted EPS | 1,928 | 1,954 | 1,933 | 1,955

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