XML 65 R42.htm IDEA: XBRL DOCUMENT v3.20.4

Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share Calculation

The following table sets forth the calculation of basic and diluted earnings per share:

			Basic																		Diluted
			2020						2019						2018						2020						2019						2018
			($ in millions except per share amounts, shares in millions)
Net income			$	2,013					$	2,722					$	2,666					$	2,013					$	2,722					$	2,666
Dividend equivalent payments			(3)						(5)						(6)						(2)						—						(1)
Income available to common stockholders			$	2,010					$	2,717					$	2,660					$	2,011					$	2,722					$	2,665
Weighted-average shares outstanding			255.1						263.3						277.7						255.1						263.3						277.7
Dilutive effect of outstanding options
and share-settled awards																					1.5						2.3						2.5
Adjusted weighted-average shares outstanding																					256.6						265.6						280.2
Earnings per share			$	7.88					$	10.32					$	9.58					$	7.84					$	10.25					$	9.51

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://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