Equity (Assumptions and Options) (Details) - Share-based Payment Arrangement, Option [Member] - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Assumptions used to estimate the fair value of options using the Black-Scholes option pricing model [Abstract]
Expected term (years)	6 years 7 months 6 days	6 years 7 months 6 days	6 years 7 months 6 days
Option activity [Roll Forward]
Shares underlying options - Balance at beginning of year (in shares)	10,581,165
Shares underlying options - Granted (in shares)	1,128,542
Shares underlying options - Exercised (in shares)	(1,101,436)
Shares underlying options - forfeited (in shares)	(96,482)
Shares underlying options - expired (in shares)	(2,571)
Shares underlying options - Balance at end of year (in shares)	10,509,218	10,581,165
Shares underlying options - Exercisable (in shares)	8,383,655
Additional disclosures pertaining to options [Abstract]
Balance at beginning of year, weighted average exercise price (in dollars per share)	$ 56.54
Granted, weighted average exercise price (in dollars per share)	69.08
Exercised, weighted average exercise price (in dollars per share)	34.54
Forfeited, weighted average exercise price (in dollars per share)	68.04
Expired, weighted average exercise price (in dollars per share)	73.80
Balance at end of year, weighted average exercise price (in dollars per share)	60.08	$ 56.54
Exercisable at end of year, weighted average exercise price (in dollars per share)	$ 58.64
Balance at end of year, weighted average remaining contractual term (years)	5 years
Exercisable at end of year, weighted average remaining contractual term (years)	4 years 1 month 6 days
Balance at end of year, aggregate intrinsic value	$ 216
Exercisable at end of year, aggregate intrinsic value	$ 185
Granted, weighted average grant date fair value (in dollars per share)	$ 15.34	$ 11.62	$ 14.46
Total intrinsic value of stock options exercised	$ 44,000,000	$ 68,000,000	$ 22,000,000
Cash received from option exercises	38,000,000	47,000,000	14,000,000
Tax benefit realized from options exercised	$ 11,000,000	$ 16,000,000	$ 5,000,000
Minimum [Member]
Assumptions used to estimate the fair value of options using the Black-Scholes option pricing model [Abstract]
Expected volatility (in hundredths)	22.63%	21.34%	19.72%
Expected dividends (in hundredths)	2.73%	2.55%	2.45%
Risk-free rate (in hundredths)	3.99%	3.79%	3.50%
Maximum [Member]
Assumptions used to estimate the fair value of options using the Black-Scholes option pricing model [Abstract]
Expected volatility (in hundredths)	23.61%	22.09%	20.57%
Expected dividends (in hundredths)	2.87%	3.02%	2.86%
Risk-free rate (in hundredths)	4.40%	4.43%	4.50%