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Equity - Performance Shares (Details) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) metric tranche $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($)
Share-based compensation
Share-based payments subject to redemption	$ 55	$ 48	$ 36	$ 30
Performance Shares
Share-based compensation
Number of tranches \| metric	2
Granted (in shares) \| shares	93	86	108
Weighted-average fair value per share, granted (in dollars per share) \| $ / shares	$ 114.26	$ 138.85	$ 100.29
Cancelled (in shares) \| shares	34
Unrecognized compensation cost	$ 8
Remaining requisite service period (in years)	1 year 9 months 18 days
Share-based payments subject to redemption	$ 27	$ 20
Performance shares, vesting based on TSR
Share-based compensation
Percentage of share-based compensation award	50.00%
Performance shares calculation period	3 years
Vesting terms	3 years
Performance shares, vesting based on TSR \| Maximum
Share-based compensation
Performance shares available for vesting (as a percent)	200.00%
Performance shares, vesting based on Adjusted ROIC
Share-based compensation
Percentage of share-based compensation award	50.00%
Performance shares calculation period	3 years
Vesting terms	3 years
Performance shares, vesting based on Adjusted ROIC \| Minimum
Share-based compensation
Performance shares available for vesting (as a percent)	0.00%
Performance shares, vesting based on Adjusted ROIC \| Maximum
Share-based compensation
Performance shares available for vesting (as a percent)	200.00%
2021 Awards \| Performance Shares
Share-based compensation
Number of tranches \| tranche	2
Estimated pay out (as a percent)	200.00%
2021 Awards \| Performance shares, vesting based on Adjusted ROIC
Share-based compensation
Performance shares available for vesting (as a percent)	100.00%
2020 Awards \| Performance Shares
Share-based compensation
Award pay out achieved (as a percent)	77.00%