Income (Loss) per Share (Tables)

9 Months Ended

Sep. 30, 2025

Earnings Per Share [Abstract]

Weighted average shares outstanding and antidilutive shares

A reconciliation of the number of shares used for the basic and diluted income per share computations is as follows:

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
Millions of shares	2025	2024	2025	2024
Basic weighted average common shares outstanding	849	881	857	885
Dilutive effect of awards granted under our stock incentive plans	1	—	1	1
Diluted weighted average common shares outstanding	850	881	858	886
Antidilutive shares:
Options with exercise price greater than the average market price	8	9	9	10
Total antidilutive shares	8	9	9	10