Per Share Data

Basic net income per share attributable to the Company is calculated by dividing the after-tax income attributable to the Company by the weighted average number of outstanding shares of the Company’s common stock.

Diluted net income per share attributable to the Company is calculated by dividing the after-tax income attributable to the Company by the weighted average number of outstanding shares of the Company’s common stock, which have been adjusted for the dilutive effect of potentially issuable common shares.



Basic and Diluted EPS Calculation	Three Months Ended September 30,				Nine Months Ended September 30,
(In millions, except per share amounts)	2017		2016		2017		2016
Net income before non-controlling interests	$	397	$	384	$	1,482	$	1,354
Less: Net income attributable to non-controlling interests	4		5		19		22
Net income attributable to the Company	$	393	$	379	$	1,463	$	1,332
Basic weighted average common shares outstanding	512		518		514		520
Dilutive effect of potentially issuable common shares	7		5		6		5
Diluted weighted average common shares outstanding	519		523		520		525
Average stock price used to calculate common stock equivalents	$	79.35	$	66.98	$	75.36	$	62.33

There were 11.3 million and 13.6 million stock options outstanding as of September 30, 2017 and 2016, respectively.