Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Components of fixed assets

The components of fixed assets are as follows:

December 31,
(In millions of dollars)	2019			2018
Furniture and equipment	$	1,268		$	1,159
Land and buildings	377			377
Leasehold and building improvements	1,214			1,007
	2,859			2,543
Less-accumulated depreciation and amortization	(2,001		)	(1,842		)
	$	858		$	701

Diluted earnings per share for continuing operations

Reconciliations of the applicable components used to calculate basic and diluted EPS - Continuing Operations are presented below. The reconciling items related to the EPS calculation are the same for both basic and diluted EPS.

Basic and Diluted EPS Calculation - Continuing Operations
(In millions, except per share figures)	2019		2018		2017
Net income from continuing operations	$	1,773	$	1,670	$	1,510
Less: Net income attributable to non-controlling interests	31		20		20
	$	1,742	$	1,650	$	1,490
Basic weighted average common shares outstanding	506		506		513
Dilutive effect of potentially issuable common shares	5		5		6
Diluted weighted average common shares outstanding	511		511		519
Average stock price used to calculate common stock equivalents	$	97.23	$	83.13	$	77.30