Stock Compensation - Shares Available for Future Grants and Reserve for Issuance (Details)	Dec. 31, 2016 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for issuance	162,308,615
Shares to be issued upon exercise of outstanding options and RSUs	(65,025,212)
Shares available for future grants	97,283,403
Long-term incentive plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for issuance	123,296,771
Shares to be issued upon exercise of outstanding options and RSUs	(63,715,186)
Shares available for future grants	59,581,585
Director compensation plans
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for issuance	2,341,272	[1]
Shares to be issued upon exercise of outstanding options and RSUs	(1,026,626)	[1]
Shares available for future grants	1,314,646	[1]
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for issuance	36,670,572
Shares to be issued upon exercise of outstanding options and RSUs	(283,400)
Shares available for future grants	36,387,172

[1] Includes 143,645 shares credited to directors’ deferred stock accounts that settle in shares of TI common stock. These shares are not included as grants outstanding as of December 31, 2016.