CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Treasury Shares	Additional Paid-In Capital	Accumulated Other Comprehensive Income	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2023		751
Beginning balance (in shares) at Dec. 31, 2023			0
Balance at beginning of period at Dec. 31, 2023	$ 13,039	$ 75	$ 0	$ 7,587	$ 11	$ 5,366
Increase (Decrease) in Stockholders' Equity
Net income	352					352
Stock amortization and vesting	15			15
Common stock repurchases (in shares)			6
Common stock repurchases	(157)		$ (157)
Common stock retirements (in shares)		(6)	(6)
Common stock retirements	0		$ 157	(157)
Cash dividends on common stock	(160)					(160)
Ending balance (in shares) at Mar. 31, 2024		745
Ending balance (in shares) at Mar. 31, 2024			0
Balance at end of period at Mar. 31, 2024	13,089	$ 75	$ 0	7,445	11	5,558
Beginning balance (in shares) at Dec. 31, 2023		751
Beginning balance (in shares) at Dec. 31, 2023			0
Balance at beginning of period at Dec. 31, 2023	13,039	$ 75	$ 0	7,587	11	5,366
Increase (Decrease) in Stockholders' Equity
Net income	572
Ending balance (in shares) at Jun. 30, 2024		740
Ending balance (in shares) at Jun. 30, 2024			0
Balance at end of period at Jun. 30, 2024	13,029	$ 74	$ 0	7,324	11	5,620
Beginning balance (in shares) at Mar. 31, 2024		745
Beginning balance (in shares) at Mar. 31, 2024			0
Balance at beginning of period at Mar. 31, 2024	13,089	$ 75	$ 0	7,445	11	5,558
Increase (Decrease) in Stockholders' Equity
Net income	220					220
Exercise of stock options	1			1
Stock amortization and vesting	16			16
Common stock repurchases (in shares)			5
Common stock repurchases	(139)		$ (139)
Common stock retirements (in shares)		(5)	(5)
Common stock retirements	0	$ (1)	$ 139	(138)
Cash dividends on common stock	(158)					(158)
Ending balance (in shares) at Jun. 30, 2024		740
Ending balance (in shares) at Jun. 30, 2024			0
Balance at end of period at Jun. 30, 2024	$ 13,029	$ 74	$ 0	7,324	11	5,620
Beginning balance (in shares) at Dec. 31, 2024	735	735
Beginning balance (in shares) at Dec. 31, 2024			0
Balance at beginning of period at Dec. 31, 2024	$ 13,122	$ 74	$ 0	7,179	12	5,857
Increase (Decrease) in Stockholders' Equity
Net income	516					516
Issuance of common stock for acquisition (in shares)		28
Issuance of common stock for acquisition	785	$ 2		783
Stock amortization and vesting (in shares)		2
Stock amortization and vesting	(9)			(9)
Common stock repurchases (in shares)			1
Common stock repurchases	(24)		$ (24)
Common stock retirements (in shares)		(1)	(1)
Common stock retirements	0		$ 24	(24)
Cash dividends on common stock	(170)					(170)
Other comprehensive income	4				4
Ending balance (in shares) at Mar. 31, 2025		764
Ending balance (in shares) at Mar. 31, 2025			0
Balance at end of period at Mar. 31, 2025	$ 14,224	$ 76	$ 0	7,929	16	6,203
Beginning balance (in shares) at Dec. 31, 2024	735	735
Beginning balance (in shares) at Dec. 31, 2024			0
Balance at beginning of period at Dec. 31, 2024	$ 13,122	$ 74	$ 0	7,179	12	5,857
Increase (Decrease) in Stockholders' Equity
Net income	$ 1,027
Ending balance (in shares) at Jun. 30, 2025	763	763
Ending balance (in shares) at Jun. 30, 2025			0
Balance at end of period at Jun. 30, 2025	$ 14,556	$ 76	$ 0	7,920	16	6,544
Beginning balance (in shares) at Mar. 31, 2025		764
Beginning balance (in shares) at Mar. 31, 2025			0
Balance at beginning of period at Mar. 31, 2025	14,224	$ 76	$ 0	7,929	16	6,203
Increase (Decrease) in Stockholders' Equity
Net income	511					511
Stock amortization and vesting	14			14
Common stock repurchases (in shares)			1
Common stock repurchases	(23)		$ (23)
Common stock retirements (in shares)		(1)	(1)
Common stock retirements	0		$ 23	(23)
Cash dividends on common stock	$ (170)					(170)
Ending balance (in shares) at Jun. 30, 2025	763	763
Ending balance (in shares) at Jun. 30, 2025			0
Balance at end of period at Jun. 30, 2025	$ 14,556	$ 76	$ 0	$ 7,920	$ 16	$ 6,544