CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY Statement - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]
Stockholders' Equity Attributable to Parent	$ 9,569,535	$ 791	$ 1,870,906	$ 6,736,265	$ (1,102,058)	$ 2,063,631
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	(2,020)			553		(2,573)
Net income	605,803			605,803
Other Comprehensive Income (Loss), Net of Tax	(1,248,253)
Dividends, Common Stock, Cash	(102,441)			(102,441)
Treasury Stock, Value, Acquired, Cost Method	(273,873)				(273,873)
Stock Issued During Period, Value, Treasury Stock Reissued	(30,572)		(28,238)	(24,654)	(26,988)
Stockholders' Equity Attributable to Parent	8,601,702	791	1,887,336	6,952,170	(1,243,566)	1,004,971
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	0			2,573		(2,573)
Net income	301,199			301,199
Other Comprehensive Income (Loss), Net of Tax	(189,593)
Dividends, Common Stock, Cash	(38,071)			(38,071)
Treasury Stock, Value, Acquired, Cost Method	(108,804)				(108,804)
Stock Issued During Period, Value, Treasury Stock Reissued	(12,890)		(11,808)	(2,345)	(3,427)
Stockholders' Equity Attributable to Parent	8,579,323	791	1,899,144	7,215,526	(1,348,943)	812,805
Stockholders' Equity Attributable to Parent	8,450,553	791	1,898,652	7,284,949	(1,370,602)	636,763
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	(87)			(87)
Net income	634,970			634,970
Other Comprehensive Income (Loss), Net of Tax	2,621,583
Dividends, Common Stock, Cash	(119,233)			(119,233)
Treasury Stock, Value, Acquired, Cost Method	(98,231)				(98,231)
Stock Issued During Period, Value, Treasury Stock Reissued	(34,179)		(29,291)	(34,921)	(39,809)
Stockholders' Equity Attributable to Parent	10,709,011	791	1,920,144	7,549,737	(1,403,774)	2,642,113
Net income	262,765			262,765
Other Comprehensive Income (Loss), Net of Tax	616,233
Dividends, Common Stock, Cash	(43,886)			(43,886)
Treasury Stock, Value, Acquired, Cost Method	(30,487)				(30,487)
Stock Issued During Period, Value, Treasury Stock Reissued	(10,098)		(7,799)	(2,938)	(5,237)
Stockholders' Equity Attributable to Parent	$ 11,523,734	$ 791	$ 1,927,943	$ 7,765,678	$ (1,429,024)	$ 3,258,346