XML 39 R25.htm IDEA: XBRL DOCUMENT
v3.20.4

Basis of Presentation and Significant Accounting Policies and Practices (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Earnings per Share, Basic and Diluted | Computation and reconciliation of earnings per common share are as follows (shares in millions):
| For Years Ended December 31,
| 2020 |  | 2019 |  | 2018
| Net Income |  | Shares |  | EPS |  | Net Income |  | Shares |  | EPS |  | Net Income |  | Shares |  | EPS
Basic EPS: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | $ | 5,595 |  |  |  |  |  |  | $ | 5,017 |  |  |  |  |  |  | $ | 5,580 |  |  |  |  |
Income allocated to RSUs | (27) |  |  |  |  |  |  | (32) |  |  |  |  |  |  | (43) |  |  |  |  |
Income allocated to common stock | $ | 5,568 |  |  | 921 |  |  | $ | 6.05 |  |  | $ | 4,985 |  |  | 936 |  |  | $ | 5.33 |  |  | $ | 5,537 |  |  | 970 |  |  | $ | 5.71 |
Dilutive effect of stock compensation plans |  |  | 12 |  |  |  |  |  |  | 16 |  |  |  |  |  |  | 20 |  |  |
Diluted EPS: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income | $ | 5,595 |  |  |  |  |  |  | $ | 5,017 |  |  |  |  |  |  | $ | 5,580 |  |  |  |  |
Income allocated to RSUs | (27) |  |  |  |  |  |  | (31) |  |  |  |  |  |  | (42) |  |  |  |  |
Income allocated to common stock | $ | 5,568 |  |  | 933 |  |  | $ | 5.97 |  |  | $ | 4,986 |  |  | 952 |  |  | $ | 5.24 |  |  | $ | 5,538 |  |  | 990 |  |  | $ | 5.59 |

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
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://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -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