Cover [Abstract] Document Information [Table] Document Information [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Capital Stock, Par Value $1.25 Per Share [Member] Capital Stock, Par Value $1.25 Per Share [Member] Capital Stock, Par Value $1.25 Per Share [Member] Preferred Stock Purchase Rights [Member] Preferred Stock Purchase Rights [Member] Preferred Stock Purchase Rights [Member] Entity Listings, Exchange [Axis] Entity Listings, Exchange [Axis] Exchange [Domain] Exchange [Domain] NEW YORK STOCK EXCHANGE, INC. [Member] NEW YORK STOCK EXCHANGE, INC. [Member] Document Information, Document [Axis] Document Information, Document [Axis] Document [Domain] Document [Domain] Document Information [Line Items] Document Information [Line Items] Entity Central Index Key Entity Central Index Key Soliciting Material Soliciting Material Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Document Type Document Type Document Period End Date Document Period End Date Entity Registrant Name Entity Registrant Name City Area Code City Area Code Local Phone Number Local Phone Number Written Communications Written Communications Entity File Number Entity File Number Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code Pre-commencement Tender Offer Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Emerging Growth Company Entity Emerging Growth Company Amendment Flag Amendment Flag No Trading Symbol Flag No Trading Symbol Flag