XML 45 R24.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Earnings per Common Share (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2018
Earnings Per Share [Abstract] |
Computation of basic and diluted earnings per common share |
Computation of basic and diluted earnings per common share |  |  |  |
($ in millions, except per share data) |  | Three months ended June 30, |  | Six months ended June 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Numerator: |  |  |  |  |  |  |  |
Net income |  | $ | 676 |  |  | $ | 579 |  |  | $ | 1,651 |  |  | $ | 1,274 |
Less: Preferred stock dividends |  | 39 |  |  | 29 |  |  | 68 |  |  | 58 |
Net income applicable to common shareholders (1) |  | $ | 637 |  |  | $ | 550 |  |  | $ | 1,583 |  |  | $ | 1,216 |
Denominator: |  |  |  |  |  |  |  |
Weighted average common shares outstanding |  | 349.2 |  |  | 363.6 |  |  | 351.6 |  |  | 364.6 |
Effect of dilutive potential common shares: |  |  |  |  |  |  |  |
Stock options |  | 3.8 |  |  | 4.3 |  |  | 3.9 |  |  | 4.2 |
Restricted stock units (non-participating) and performance stock awards |  | 1.6 |  |  | 1.1 |  |  | 1.7 |  |  | 1.3 |
Weighted average common and dilutive potential common shares outstanding |  | 354.6 |  |  | 369.0 |  |  | 357.2 |  |  | 370.1 |
Earnings per common share - Basic |  | $ | 1.82 |  |  | $ | 1.51 |  |  | $ | 4.50 |  |  | $ | 3.34 |
Earnings per common share - Diluted |  | $ | 1.80 |  |  | $ | 1.49 |  |  | $ | 4.43 |  |  | $ | 3.29 |
(1) | Net income applicable to common shareholders is net income less preferred stock dividends.

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration