Earnings Per Share - Reconciles the Basic to Diluted Weighted Average Shares Outstanding (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share [Abstract]
Net income	$ 363	$ 297	$ 651	$ 586
Denominator:
Basic weighted average common shares outstanding (in shares)	182.2	184.4	182.0	185.1
Effect of dilutive stock options and share awards (in shares)	2.1	2.3	2.3	2.5
Diluted weighted average common shares outstanding (in shares)	184.3	186.7	184.3	187.6
Earnings per share attributable to common stockholders:
Basic (in dollars per share)	$ 1.99	$ 1.61	$ 3.58	$ 3.17
Diluted (in dollars per share)	$ 1.97	$ 1.59	$ 3.53	$ 3.12

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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+ Details