Long-Term Incentive Plans - Summary of activity related to restricted stock awards (Details) - Restricted stock awards and restricted stock units shares in Millions	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Number of Shares/Units (In millions)
Beginning balance (in shares) | shares	2.1
Granted (in shares) | shares	0.9
Vested (in shares) | shares	(0.3)
Forfeited (in shares) | shares	(0.1)
Ending balance (in shares) | shares	2.6
Weighted-Average Grant Date Fair Value
Beginning balance (in dollars of shares) | $ / shares	$ 499.85
Granted (in dollars of shares) | $ / shares	702.32
Vested (in dollars of shares) | $ / shares	477.22
Forfeited (in dollars of shares) | $ / shares	522.18
Ending balance (in dollars of shares) | $ / shares	$ 571.19