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Earnings Per Share - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands |  |  | 2 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 06, 2019 | Feb. 05, 2019 | Feb. 28, 2018 | Mar. 31, 2019 | Mar. 31, 2018 | Jan. 16, 2019 | Jan. 31, 2018 | Oct. 31, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |  |  |
Shares repurchased during the period value |  |  |  | $ 796,000,000 | $ 836,000,000 |  |  |
Shares repurchased during the period (in shares) |  |  |  | 12,000 | 15,000 |  |  |
Common stock quarterly dividend increase percentage | 9.00% |  |  |  |  |  |  |
Common stock dividends, per share (in dollars per share) | $ 0.24 | $ 0.22 |  | $ 0.24 | $ 0.22 |  |  |
January 2018 |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |  |  |
Shares repurchased during the period (in shares) |  |  | 3,000 |  |  |  |  |
Accelerated share repurchase program (prepayment) settlement amount |  |  | $ 30,000,000 |  |  |  | $ (150,000,000) |
Initial share value received |  |  |  |  |  |  | $ 120,000,000 |
Share Repurchase Program October 2017 |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |  |  |
Share repurchase program |  |  | $ 5,000,000,000 |  |  |  |  | $ 1,500,000,000
Share Repurchase Program January 2019 |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |  |  |
Share repurchase program |  |  |  |  |  | $ 5,000,000,000 |  |
Stock Options |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |  |  |
Antidilutive securities excluded from diluted earnings per share calculation |  |  |  | 600 | 800 |  |  |

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- Definition Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
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