RESTRUCTURING AND INTEGRATION COSTS	12 Months Ended
Dec. 31, 2018
Restructuring and Related Activities [Abstract]
RESTRUCTURING AND INTEGRATION COSTS	RESTRUCTURING AND INTEGRATION COSTS In connection with acquisitions prior to 2016, the Company implemented cost-rationalization and integration initiatives to capture operating synergies and generate cost savings. These measures included: (i) workforce reductions company-wide and other organizational changes, (ii) closing of duplicative facilities and other site rationalization actions company-wide, including research and development facilities, sales offices and corporate facilities, (iii) leveraging research and development spend and (iv) procurement savings. Cost-rationalization and integration initiatives relating to the acquisition of Salix Pharmaceuticals, Ltd. ("Salix Ltd.") in April 2015 (the "Salix Acquisition") were substantially completed by mid-2016 and are included in the amounts listed below. The remaining liability associated with all cost-rationalization and integration initiatives as of December 31, 2018 was $27 million. During the year ended December 31, 2018, the Company incurred $22 million of restructuring and integration-related costs. These costs included: (i) $11 million of severance costs, (ii) $10 million of facility closure costs and (iii) $1 million of other costs. The Company made payments of $33 million during 2018. During the year ended December 31, 2017, the Company incurred $52 million of restructuring and integration-related costs. These costs included: (i) $16 million of integration consulting, transition service and other costs, (ii) $16 million of severance costs and (iii) $20 million of facility closure costs. The Company made payments of $85 million during 2017. During the year ended December 31, 2016, the Company incurred $132 million of restructuring and integration costs. These costs included: (i) $90 million of integration consulting, duplicate labor, transition service and other costs, (ii) $22 million of severance costs, (iii) $19 million of facility closure costs and (iv) $1 million of other costs. These costs primarily related to integration and restructuring costs for other smaller acquisitions. The Company made payments of $121 million during 2016. The Company continues to evaluate opportunities to improve its operating results and may initiate additional cost savings programs to streamline its operations and eliminate redundant processes and expenses. The expenses associated with the implementation of these cost savings programs could be material and may include, but are not limited to, expenses associated with: (i) reducing headcount, (ii) eliminating real estate costs associated with unused or under-utilized facilities and (iii) implementing contribution margin improvement and other cost reduction initiatives.

RESTRUCTURING AND INTEGRATION COSTS

In connection with acquisitions prior to 2016, the Company implemented cost-rationalization and integration initiatives to capture operating synergies and generate cost savings. These measures included: (i) workforce reductions company-wide and other organizational changes, (ii) closing of duplicative facilities and other site rationalization actions company-wide, including research and development facilities, sales offices and corporate facilities, (iii) leveraging research and development spend and (iv) procurement savings. Cost-rationalization and integration initiatives relating to the acquisition of Salix Pharmaceuticals, Ltd. ("Salix Ltd.") in April 2015 (the "Salix Acquisition") were substantially completed by mid-2016 and are included in the amounts listed below. The remaining liability associated with all cost-rationalization and integration initiatives as of December 31, 2018 was $27 million.

During the year ended December 31, 2018, the Company incurred $22 million of restructuring and integration-related costs. These costs included: (i) $11 million of severance costs, (ii) $10 million of facility closure costs and (iii) $1 million of other costs. The Company made payments of $33 million during 2018.

During the year ended December 31, 2017, the Company incurred $52 million of restructuring and integration-related costs. These costs included: (i) $16 million of integration consulting, transition service and other costs, (ii) $16 million of severance costs and (iii) $20 million of facility closure costs. The Company made payments of $85 million during 2017.

During the year ended December 31, 2016, the Company incurred $132 million of restructuring and integration costs. These costs included: (i) $90 million of integration consulting, duplicate labor, transition service and other costs, (ii) $22 million of severance costs, (iii) $19 million of facility closure costs and (iv) $1 million of other costs. These costs primarily related to integration and restructuring costs for other smaller acquisitions. The Company made payments of $121 million during 2016.

The Company continues to evaluate opportunities to improve its operating results and may initiate additional cost savings programs to streamline its operations and eliminate redundant processes and expenses. The expenses associated with the implementation of these cost savings programs could be material and may include, but are not limited to, expenses associated with: (i) reducing headcount, (ii) eliminating real estate costs associated with unused or under-utilized facilities and (iii) implementing contribution margin improvement and other cost reduction initiatives.